Pearson eText for Basic Technical Mathematics with Calculus -- Instant Access (Pearson+)
Pearson eText for Basic Technical Mathematics with Calculus -- Instant Access (Pearson+)
11th Edition
ISBN: 9780137554843
Author: Allyn Washington, Richard Evans
Publisher: PEARSON+
bartleby

Videos

Question
Book Icon
Chapter 20.1, Problem 7E
To determine

To multiply: The expression cosx(tanx−secx) and simplify it.

Expert Solution & Answer
Check Mark

Want to see the full answer?

Check out a sample textbook solution
Blurred answer
Previous
Chapter 20.1, Problem 6E
Next
Chapter 20.1, Problem 8E
Students have asked these similar questions
If a uniform distribution is defined over the interval from 6 to 10, then answer the followings: What is the mean of this uniform distribution? Show that the probability of any value between 6 and 10 is equal to 1.0 Find the probability of a value more than 7. Find the probability of a value between 7 and 9.   The closing price of Schnur Sporting Goods Inc. common stock is uniformly distributed between $20 and $30 per share. What is the probability that the stock price will be: More than $27? Less than or equal to $24?   The April rainfall in Flagstaff, Arizona, follows a uniform distribution between 0.5 and 3.00 inches. What is the mean amount of rainfall for the month? What is the probability of less than an inch of rain for the month? What is the probability of exactly 1.00 inch of rain? What is the probability of more than 1.50 inches of rain for the month? The best way to solve this problem is begin by creating a chart. Clearly mark the range, identifying the lower and upper…
Problem 1: The mean hourly pay of an American Airlines flight attendant is normally distributed with a mean of 40 per hour and a standard deviation of 3.00 per hour. What is the probability that the hourly pay of a randomly selected flight attendant is: Between the mean and $45 per hour? More than $45 per hour? Less than $32 per hour?   Problem 2: The mean of a normal probability distribution is 400 pounds. The standard deviation is 10 pounds. What is the area between 415 pounds and the mean of 400 pounds? What is the area between the mean and 395 pounds? What is the probability of randomly selecting a value less than 395 pounds?   Problem 3: In New York State, the mean salary for high school teachers in 2022 was 81,410 with a standard deviation of 9,500. Only Alaska’s mean salary was higher. Assume New York’s state salaries follow a normal distribution. What percent of New York State high school teachers earn between 70,000 and 75,000? What percent of New York State high school…
For all integers a and b if a is congruent to 0(mod n) and b is congruent to 0(mod n) then a+b is congruent 0(mod n) DRAW A KNOW-SHOW TABLE:

Chapter 20 Solutions

Pearson eText for Basic Technical Mathematics with Calculus -- Instant Access (Pearson+)

Ch. 20.1 - Prob. 1PECh. 20.1 - Prob. 2PECh. 20.1 - Prob. 3PECh. 20.1 - Prob. 1ECh. 20.1 - Prob. 2ECh. 20.1 - In Exercises 36, use a calculator to check the...Ch. 20.1 - Prob. 4ECh. 20.1 - Prob. 5ECh. 20.1 - Prob. 6ECh. 20.1 - Prob. 7E
Ch. 20.1 - Prob. 8ECh. 20.1 - Prob. 9ECh. 20.1 - Prob. 10ECh. 20.1 - Prob. 11ECh. 20.1 - Prob. 12ECh. 20.1 - Prob. 13ECh. 20.1 - Prob. 14ECh. 20.1 - Prob. 15ECh. 20.1 - Prob. 16ECh. 20.1 - Prob. 17ECh. 20.1 - Prob. 18ECh. 20.1 - In Exercises 19–38, prove the given identities. Ch. 20.1 - Prob. 20ECh. 20.1 - In Exercises 19–38, prove the given identities. Ch. 20.1 - Prob. 22ECh. 20.1 - Prob. 23ECh. 20.1 - Prob. 24ECh. 20.1 - Prob. 25ECh. 20.1 - Prob. 26ECh. 20.1 - Prob. 27ECh. 20.1 - Prob. 28ECh. 20.1 - Prob. 29ECh. 20.1 - Prob. 30ECh. 20.1 - Prob. 31ECh. 20.1 - Prob. 32ECh. 20.1 - Prob. 33ECh. 20.1 - Prob. 34ECh. 20.1 - Prob. 35ECh. 20.1 - Prob. 36ECh. 20.1 - Prob. 37ECh. 20.1 - Prob. 38ECh. 20.1 - Prob. 39ECh. 20.1 - Prob. 40ECh. 20.1 - Prob. 41ECh. 20.1 - Prob. 42ECh. 20.1 - Prob. 43ECh. 20.1 - Prob. 44ECh. 20.1 - Prob. 45ECh. 20.1 - Prob. 46ECh. 20.1 - Prob. 47ECh. 20.1 - Prob. 48ECh. 20.1 - In Exercises 47–50, for a first-quadrant angle,...Ch. 20.1 - Prob. 50ECh. 20.1 - Prob. 51ECh. 20.1 - Prob. 52ECh. 20.1 - Prob. 53ECh. 20.1 - Prob. 54ECh. 20.1 - Prob. 55ECh. 20.1 - Prob. 56ECh. 20.1 - Prob. 57ECh. 20.1 - Prob. 58ECh. 20.1 - Prob. 59ECh. 20.1 - Prob. 60ECh. 20.1 - Prob. 61ECh. 20.1 - Prob. 62ECh. 20.1 - Prob. 63ECh. 20.1 - In Exercise 63–70, solve the given...Ch. 20.1 - Prob. 65ECh. 20.1 - Prob. 66ECh. 20.1 - Prob. 67ECh. 20.1 - Prob. 68ECh. 20.1 - Prob. 69ECh. 20.1 - Prob. 70ECh. 20.1 - Prob. 71ECh. 20.1 - Prob. 72ECh. 20.1 - Prob. 73ECh. 20.1 - Prob. 74ECh. 20.2 - Prob. 1PECh. 20.2 - Prob. 2PECh. 20.2 - Prob. 1ECh. 20.2 - In Exercises 1 and 2, make the given changes in...Ch. 20.2 - Prob. 3ECh. 20.2 - In Exercises 36, determine the values of the given...Ch. 20.2 - Prob. 5ECh. 20.2 - Prob. 6ECh. 20.2 - Prob. 7ECh. 20.2 - Prob. 8ECh. 20.2 - Prob. 9ECh. 20.2 - Prob. 10ECh. 20.2 - Prob. 11ECh. 20.2 - In Exercises 1120, simplify the given...Ch. 20.2 - Prob. 13ECh. 20.2 - Prob. 14ECh. 20.2 - Prob. 15ECh. 20.2 - Prob. 16ECh. 20.2 - Prob. 17ECh. 20.2 - Prob. 18ECh. 20.2 - Prob. 19ECh. 20.2 - Prob. 20ECh. 20.2 - In Exercises 2124, evaluate each expression by...Ch. 20.2 - In Exercises 21–24, evaluate each expression by...Ch. 20.2 - Prob. 23ECh. 20.2 - Prob. 24ECh. 20.2 - Prob. 25ECh. 20.2 - Prob. 26ECh. 20.2 - Prob. 27ECh. 20.2 - Prob. 28ECh. 20.2 - Prob. 29ECh. 20.2 - Prob. 30ECh. 20.2 - Prob. 31ECh. 20.2 - Prob. 32ECh. 20.2 - Prob. 33ECh. 20.2 - Prob. 34ECh. 20.2 - Prob. 35ECh. 20.2 - Prob. 36ECh. 20.2 - Prob. 37ECh. 20.2 - Prob. 38ECh. 20.2 - Prob. 39ECh. 20.2 - Prob. 40ECh. 20.2 - Prob. 41ECh. 20.2 - In Exercises 4154, solve the given...Ch. 20.2 - Prob. 43ECh. 20.2 - Prob. 44ECh. 20.2 - Prob. 45ECh. 20.2 - Prob. 46ECh. 20.2 - Prob. 47ECh. 20.2 - Prob. 48ECh. 20.2 - Prob. 49ECh. 20.2 - Prob. 50ECh. 20.2 - Prob. 51ECh. 20.2 - Prob. 52ECh. 20.2 - Prob. 53ECh. 20.2 - Prob. 54ECh. 20.3 - Evaluate cos 90° using values for 45°. Ch. 20.3 - Simplify: Ch. 20.3 - In Exercises 1–4, make the given changes in the...Ch. 20.3 - In Exercises 1–4, make the given changes in the...Ch. 20.3 - In Exercises 1–4, make the given changes in the...Ch. 20.3 - Prob. 4ECh. 20.3 - Prob. 5ECh. 20.3 - In Exercises 5–8, determine the values of the...Ch. 20.3 - Prob. 7ECh. 20.3 - Prob. 8ECh. 20.3 - Prob. 9ECh. 20.3 - Prob. 10ECh. 20.3 - Prob. 11ECh. 20.3 - In Exercises 9–14, use a calculator to verify the...Ch. 20.3 - Prob. 13ECh. 20.3 - Prob. 14ECh. 20.3 - Prob. 15ECh. 20.3 - Prob. 16ECh. 20.3 - Prob. 17ECh. 20.3 - Prob. 18ECh. 20.3 - Prob. 19ECh. 20.3 - In Exercises 19–30, simplify the given...Ch. 20.3 - In Exercises 19–30, simplify the given...Ch. 20.3 - Prob. 22ECh. 20.3 - Prob. 23ECh. 20.3 - Prob. 24ECh. 20.3 - Prob. 25ECh. 20.3 - Prob. 26ECh. 20.3 - Prob. 27ECh. 20.3 - Prob. 28ECh. 20.3 - Prob. 29ECh. 20.3 - Prob. 30ECh. 20.3 - Prob. 31ECh. 20.3 - Prob. 32ECh. 20.3 - Prob. 33ECh. 20.3 - Prob. 34ECh. 20.3 - Prob. 35ECh. 20.3 - Prob. 36ECh. 20.3 - Prob. 37ECh. 20.3 - Prob. 38ECh. 20.3 - Prob. 39ECh. 20.3 - Prob. 40ECh. 20.3 - Prob. 41ECh. 20.3 - Prob. 42ECh. 20.3 - Prob. 43ECh. 20.3 - Prob. 44ECh. 20.3 - Prob. 45ECh. 20.3 - Prob. 46ECh. 20.3 - Prob. 47ECh. 20.3 - Prob. 48ECh. 20.3 - Prob. 49ECh. 20.3 - Prob. 50ECh. 20.3 - Prob. 51ECh. 20.3 - Prob. 52ECh. 20.3 - Prob. 53ECh. 20.3 - Prob. 54ECh. 20.3 - Prob. 55ECh. 20.3 - Prob. 56ECh. 20.3 - Prob. 57ECh. 20.3 - Prob. 58ECh. 20.3 - Prob. 59ECh. 20.3 - Prob. 60ECh. 20.3 - Prob. 61ECh. 20.3 - Prob. 62ECh. 20.4 - Prob. 1PECh. 20.4 - Prob. 1ECh. 20.4 - Prob. 3ECh. 20.4 - Prob. 4ECh. 20.4 - Prob. 5ECh. 20.4 - Prob. 6ECh. 20.4 - Prob. 7ECh. 20.4 - Prob. 8ECh. 20.4 - Prob. 9ECh. 20.4 - Prob. 10ECh. 20.4 - Prob. 11ECh. 20.4 - Prob. 12ECh. 20.4 - Prob. 13ECh. 20.4 - Prob. 14ECh. 20.4 - Prob. 15ECh. 20.4 - Prob. 16ECh. 20.4 - Prob. 17ECh. 20.4 - Prob. 18ECh. 20.4 - Prob. 19ECh. 20.4 - Prob. 20ECh. 20.4 - Prob. 21ECh. 20.4 - In Exercises 21–24, evaluate the indicated...Ch. 20.4 - Prob. 23ECh. 20.4 - Prob. 24ECh. 20.4 - In Exercises 25–28, derive the required...Ch. 20.4 - Prob. 26ECh. 20.4 - Prob. 27ECh. 20.4 - Prob. 28ECh. 20.4 - Prob. 29ECh. 20.4 - Prob. 30ECh. 20.4 - Prob. 31ECh. 20.4 - Prob. 32ECh. 20.4 - Prob. 33ECh. 20.4 - Prob. 34ECh. 20.4 - Prob. 35ECh. 20.4 - Prob. 36ECh. 20.4 - Prob. 37ECh. 20.4 - Prob. 38ECh. 20.4 - Prob. 39ECh. 20.4 - Prob. 40ECh. 20.4 - Prob. 41ECh. 20.4 - Prob. 42ECh. 20.4 - Prob. 43ECh. 20.4 - Prob. 44ECh. 20.4 - Prob. 45ECh. 20.4 - Prob. 46ECh. 20.4 - Prob. 47ECh. 20.4 - Prob. 48ECh. 20.5 - Prob. 1PECh. 20.5 - Prob. 2PECh. 20.5 - Prob. 1ECh. 20.5 - Prob. 2ECh. 20.5 - Prob. 3ECh. 20.5 - Prob. 4ECh. 20.5 - Prob. 5ECh. 20.5 - In Exercises 5–20, solve the given trigonometric...Ch. 20.5 - Prob. 7ECh. 20.5 - In Exercises 5–20, solve the given trigonometric...Ch. 20.5 - Prob. 9ECh. 20.5 - Prob. 10ECh. 20.5 - Prob. 11ECh. 20.5 - Prob. 12ECh. 20.5 - Prob. 13ECh. 20.5 - Prob. 14ECh. 20.5 - Prob. 15ECh. 20.5 - In Exercises 5–20, solve the given trigonometric...Ch. 20.5 - Prob. 17ECh. 20.5 - Prob. 18ECh. 20.5 - Prob. 19ECh. 20.5 - Prob. 20ECh. 20.5 - Prob. 21ECh. 20.5 - Prob. 22ECh. 20.5 - Prob. 23ECh. 20.5 - Prob. 24ECh. 20.5 - Prob. 25ECh. 20.5 - Prob. 26ECh. 20.5 - Prob. 27ECh. 20.5 - Prob. 28ECh. 20.5 - Prob. 29ECh. 20.5 - Prob. 30ECh. 20.5 - Prob. 31ECh. 20.5 - Prob. 32ECh. 20.5 - Prob. 33ECh. 20.5 - Prob. 34ECh. 20.5 - Prob. 35ECh. 20.5 - Prob. 36ECh. 20.5 - Prob. 37ECh. 20.5 - Prob. 38ECh. 20.5 - Prob. 39ECh. 20.5 - Prob. 40ECh. 20.5 - Prob. 41ECh. 20.5 - Prob. 42ECh. 20.5 - Prob. 43ECh. 20.5 - Prob. 44ECh. 20.5 - Prob. 45ECh. 20.5 - Prob. 46ECh. 20.5 - Prob. 47ECh. 20.5 - Prob. 48ECh. 20.5 - Prob. 49ECh. 20.5 - Prob. 50ECh. 20.5 - Prob. 51ECh. 20.5 - Prob. 52ECh. 20.5 - Prob. 53ECh. 20.5 - Prob. 54ECh. 20.5 - Prob. 55ECh. 20.5 - Prob. 56ECh. 20.5 - Prob. 57ECh. 20.5 - Prob. 58ECh. 20.5 - Prob. 59ECh. 20.5 - Prob. 60ECh. 20.5 - Prob. 61ECh. 20.5 - Prob. 62ECh. 20.6 - Prob. 1PECh. 20.6 - Prob. 2PECh. 20.6 - Prob. 1ECh. 20.6 - Prob. 2ECh. 20.6 - Prob. 3ECh. 20.6 - Prob. 4ECh. 20.6 - Prob. 5ECh. 20.6 - Prob. 6ECh. 20.6 - Prob. 7ECh. 20.6 - Prob. 8ECh. 20.6 - Prob. 9ECh. 20.6 - Prob. 10ECh. 20.6 - Prob. 11ECh. 20.6 - In Exercises 11—28, evaluate exactly the given...Ch. 20.6 - In Exercises 11—28, evaluate exactly the given...Ch. 20.6 - In Exercises 11—28, evaluate exactly the given...Ch. 20.6 - Prob. 15ECh. 20.6 - Prob. 16ECh. 20.6 - Prob. 17ECh. 20.6 - In Exercises 11—28, evaluate exactly the given...Ch. 20.6 - Prob. 19ECh. 20.6 - Prob. 20ECh. 20.6 - Prob. 21ECh. 20.6 - Prob. 22ECh. 20.6 - Prob. 23ECh. 20.6 - Prob. 24ECh. 20.6 - Prob. 25ECh. 20.6 - Prob. 26ECh. 20.6 - Prob. 27ECh. 20.6 - Prob. 28ECh. 20.6 - Prob. 29ECh. 20.6 - Prob. 30ECh. 20.6 - Prob. 31ECh. 20.6 - Prob. 32ECh. 20.6 - In Exercises 29—36, use a calculator to evaluate...Ch. 20.6 - In Exercises 29—36, use a calculator to evaluate...Ch. 20.6 - Prob. 35ECh. 20.6 - In Exercises 29—36, use a calculator to evaluate...Ch. 20.6 - Prob. 37ECh. 20.6 - Prob. 38ECh. 20.6 - Prob. 39ECh. 20.6 - Prob. 40ECh. 20.6 - Prob. 41ECh. 20.6 - Prob. 42ECh. 20.6 - Prob. 43ECh. 20.6 - Prob. 44ECh. 20.6 - Prob. 45ECh. 20.6 - Prob. 46ECh. 20.6 - Prob. 47ECh. 20.6 - Prob. 48ECh. 20.6 - Prob. 49ECh. 20.6 - Prob. 50ECh. 20.6 - In Exercises 51–56, solve the given problems with...Ch. 20.6 - Prob. 52ECh. 20.6 - Prob. 53ECh. 20.6 - Prob. 54ECh. 20.6 - Prob. 55ECh. 20.6 - Prob. 56ECh. 20.6 - Prob. 57ECh. 20.6 - Prob. 58ECh. 20.6 - Prob. 59ECh. 20.6 - Prob. 60ECh. 20.6 - Prob. 61ECh. 20.6 - Prob. 62ECh. 20.6 - Prob. 63ECh. 20.6 - Prob. 64ECh. 20.6 - Prob. 65ECh. 20.6 - Prob. 66ECh. 20.6 - Prob. 67ECh. 20.6 - Prob. 68ECh. 20.6 - Prob. 69ECh. 20.6 - Prob. 70ECh. 20.6 - Prob. 71ECh. 20.6 - Prob. 72ECh. 20.6 - Prob. 73ECh. 20.6 - Prob. 74ECh. 20.6 - Prob. 75ECh. 20.6 - Prob. 76ECh. 20 - Prob. 1RECh. 20 - Prob. 2RECh. 20 - Prob. 3RECh. 20 - Prob. 4RECh. 20 - Prob. 5RECh. 20 - Prob. 6RECh. 20 - Prob. 7RECh. 20 - Prob. 8RECh. 20 - Prob. 9RECh. 20 - Prob. 10RECh. 20 - Prob. 11RECh. 20 - Prob. 12RECh. 20 - Prob. 13RECh. 20 - Prob. 14RECh. 20 - In Exercises 15–22, simplify the given expressions...Ch. 20 - In Exercises 15–22, simplify the given expressions...Ch. 20 - Prob. 17RECh. 20 - Prob. 18RECh. 20 - Prob. 19RECh. 20 - Prob. 20RECh. 20 - Prob. 21RECh. 20 - Prob. 22RECh. 20 - Prob. 23RECh. 20 - Prob. 24RECh. 20 - Prob. 25RECh. 20 - Prob. 26RECh. 20 - Prob. 27RECh. 20 - Prob. 28RECh. 20 - Prob. 29RECh. 20 - Prob. 30RECh. 20 - Prob. 31RECh. 20 - Prob. 32RECh. 20 - Prob. 33RECh. 20 - Prob. 34RECh. 20 - Prob. 35RECh. 20 - Prob. 36RECh. 20 - Prob. 37RECh. 20 - Prob. 38RECh. 20 - Prob. 39RECh. 20 - Prob. 40RECh. 20 - Prob. 41RECh. 20 - Prob. 42RECh. 20 - Prob. 43RECh. 20 - Prob. 44RECh. 20 - Prob. 45RECh. 20 - Prob. 46RECh. 20 - Prob. 47RECh. 20 - Prob. 48RECh. 20 - Prob. 50RECh. 20 - Prob. 51RECh. 20 - Prob. 52RECh. 20 - Prob. 53RECh. 20 - Prob. 54RECh. 20 - In Exercises 51—58, simplify the given...Ch. 20 - Prob. 56RECh. 20 - Prob. 57RECh. 20 - Prob. 58RECh. 20 - Prob. 59RECh. 20 - Prob. 60RECh. 20 - Prob. 61RECh. 20 - Prob. 62RECh. 20 - Prob. 63RECh. 20 - Prob. 64RECh. 20 - Prob. 65RECh. 20 - Prob. 66RECh. 20 - Prob. 67RECh. 20 - Prob. 68RECh. 20 - Prob. 69RECh. 20 - Prob. 70RECh. 20 - Prob. 71RECh. 20 - Prob. 72RECh. 20 - Prob. 73RECh. 20 - Prob. 74RECh. 20 - Prob. 75RECh. 20 - Prob. 76RECh. 20 - Prob. 77RECh. 20 - Prob. 78RECh. 20 - Prob. 79RECh. 20 - Prob. 80RECh. 20 - Prob. 81RECh. 20 - Prob. 82RECh. 20 - Prob. 83RECh. 20 - Prob. 84RECh. 20 - Prob. 85RECh. 20 - Prob. 86RECh. 20 - Prob. 87RECh. 20 - Prob. 88RECh. 20 - Prob. 89RECh. 20 - Prob. 90RECh. 20 - Prob. 91RECh. 20 - Prob. 92RECh. 20 - Prob. 93RECh. 20 - Prob. 94RECh. 20 - Prob. 95RECh. 20 - Prob. 96RECh. 20 - Prob. 97RECh. 20 - Prob. 98RECh. 20 - Prob. 99RECh. 20 - Prob. 100RECh. 20 - Prob. 101RECh. 20 - Prob. 102RECh. 20 - Prob. 103RECh. 20 - Prob. 104RECh. 20 - Prob. 105RECh. 20 - Prob. 106RECh. 20 - Prob. 107RECh. 20 - Prob. 108RECh. 20 - Prob. 109RECh. 20 - Prob. 110RECh. 20 - Prob. 111RECh. 20 - Prob. 112RECh. 20 - Prob. 113RECh. 20 - Prob. 114RECh. 20 - Prob. 115RECh. 20 - Prob. 116RECh. 20 - Prob. 117RECh. 20 - Prob. 118RECh. 20 - Prob. 119RECh. 20 - Prob. 120RECh. 20 - Prob. 121RECh. 20 - Prob. 122RECh. 20 - Prob. 123RECh. 20 - Prob. 124RECh. 20 - Prob. 125RECh. 20 - Prob. 126RECh. 20 - Prob. 127RECh. 20 - Prob. 128RECh. 20 - Prob. 129RECh. 20 - Prob. 130RECh. 20 - Prob. 131RECh. 20 - Prob. 1PTCh. 20 - Prob. 2PTCh. 20 - Prob. 3PTCh. 20 - Prob. 4PTCh. 20 - Prob. 5PTCh. 20 - Prob. 6PTCh. 20 - Prob. 7PTCh. 20 - Prob. 8PTCh. 20 - Prob. 9PTCh. 20 - Prob. 10PT
Knowledge Booster
Background pattern image
Math
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, subject and related others by exploring similar questions and additional content below.
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Discrete Mathematics and Its Applications ( 8th I...
Math
ISBN:9781259676512
Author:Kenneth H Rosen
Publisher:McGraw-Hill Education
Text book image
Mathematics for Elementary Teachers with Activiti...
Math
ISBN:9780134392790
Author:Beckmann, Sybilla
Publisher:PEARSON
Text book image
Calculus Volume 1
Math
ISBN:9781938168024
Author:Strang, Gilbert
Publisher:OpenStax College
Text book image
Thinking Mathematically (7th Edition)
Math
ISBN:9780134683713
Author:Robert F. Blitzer
Publisher:PEARSON
Text book image
Discrete Mathematics With Applications
Math
ISBN:9781337694193
Author:EPP, Susanna S.
Publisher:Cengage Learning,
Text book image
Pathways To Math Literacy (looseleaf)
Math
ISBN:9781259985607
Author:David Sobecki Professor, Brian A. Mercer
Publisher:McGraw-Hill Education
SEE MORE TEXTBOOKS
Introduction to Integers,Maths - What are integers - English; Author: Mathispower4u;https://www.youtube.com/watch?v=04pURxo-iu0;License: Standard YouTube License, CC-BY
Integers-Middle School Math; Author: MooMooMath and Science;https://www.youtube.com/watch?v=DGWcWtqM_yk;License: Standard YouTube License, CC-BY