b. Give an example to show why sin(20) = 2 sin(0) is not true. 2. Derive the identity cos(20) = 2 cos? (0) – 1 from cos(20) = cos? (0)– sin² (8) by using Pythagorean Identity.(Section 6.3) %3D

Q: How do you kmow this is the right approach?

A: Two different airlines have a flight from Los Angeles to New York that departs each weekday morning…

Q: Can you do question d? Please show step-by-step solutions. Please do not skip steps. Also, please…

A:

Q: can i get the answer and the step to the question

A: As question have many subpart i have solved first three , please ask a separate question if you want…

Q: There were some children in a school hall. During recess, 3/7 of the boys and 7/9 of the girls left…

A: Let the number of boys in the hall at first be x and number of girls in the hall at first be y.

Q: We are working in R². Let & be the standard basis, B be the basis formed by {(2, 1), (0, −1)}, and C…

A:

Q: The point is i need explanation on how to solve each question.

A: Hi thanks you for posting this question  , since you have posted multiple subparts as per our policy…

Q: How did it go from step 2 to the answer?

A: The given integral is sec2(4x).

Q: One number is 7 more than another number. If the smaller number is doubled and added to 4 times the…

A: Let the smaller number be ' x ' and the larger number be ' y '

Q: My question was how to solve it ? I neeed to know how to do it step-by-step too.

A:

Q: I am not sure of how to solve .  I believe I keep missing a step.

A: The given equation is y =2x^3 -5x.The values of x =-2 and delta x= 0.1.

Q: How did you find the answer? Can you elaborate more?

A: Standard form of an LPP : Objective function is the maximize type , constraints are all less than…

Q: Can you explain it better with all steps?

A: logeea=a and logea=lna

Q: how to solve this question

A: Step 1: Step 2: Step 3: Step 4:

Q: What are the answers to this ? #3

A: Denote p as the true proportion of people, who own cats.

Q: 7. If 2 0 -1 A = -3 1 and B = 1 0 -2 -3 -3 -2 find ABT.

A:

Q: I want to know how to complete this step by step and what the answer is.

A: Here we use two way tables with Joint and Marginal  relative frequencies   Dogs Cats Total…

Q: could you solve the second question as well

A:

Q: Jill, Kim, and Erin start at the same time, walking around a circular track, walking in the same…

A:

Q: I need help solving q4 parts d-f

A: For 34 people distribution will be : μ = 11σ* = σ/n = 2/34 = 0.3430

Q: How do I evaluate the following 2 equations

A: Given f(x)=x2+9, g(x)=-4x+2 f(g(x))=f(-4x+2)=(-4x+2)2+9=16x2+4-16x+9 =16x2-16x+13 (f-g)(x)=…

Q: 8) Find BA -5 B = -7 -8 3 A = -6 6. 6 4. #7 #8 Is AB = BA ?

A:

Q: Hello I need help solving this question, parts b-d thank you!

A: Given dat: Mean = 20 Standard deviation  = 6 To find the respective  probabilities

Q: how did you get 2x in part c?

A: Joint probability density is used to understand the probability value of several continous random…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.