18. Prove the identity tanx(cotx + tanx) = sec²x. Show all your steps, stating which identities you are using.

Q: (1) The force F with a magnitude of 7 kN is applied at point A as shown. Determine the x- and…

A:

Q: Let c ER and lim f²(x) = L, where L Є R. х-с 1. Prove: if L = 0, then lim f(x) = 0. x c 2. Prove: if…

A: Part 1: Prove: If L = 0 , then limx→c​f(x)=0.Given:limx→c​f2(x)=L=0Proof:By the definition of the…

Q: Solve the differential equation by seperation of variables. dy/dx = (xy +7x - y -7)/(xy - 2x +8y…

A: GIVEN : →​​ STEP : 1 ​​ STEP : 2 ​​   STEP : 3 ​​

Q: A tank like the one pictured above contains 100 gallons of fresh water. At time t = 0, a solution…

A: Step 1: Define Variables and Setup the Differential EquationThe differential equation representing…

Q: Evaluate o zdz, where C is the circle |2| = 4 taken with counter-clockwise (i.e. anti- clockwise)…

A:

Q: A difference in elevation between A and B was observed four times as 44.07, 44.03, 44.11, and 44.01…

A:

Q: Please solve Linear Algebra problem. Please show all steps.

A:

Q: discrete Mathmatics

A: strws∨tt→rs→wr∨wTTTTTTTTTTTFTTTTTTFTTFTTTTFFTFTFTFTTTTTTTFTFTTTTTFFTTTTTTFFFTTTFFTTTTTTTFTTFTTTTFTFT…

Q: THE USE OF ARTIFICIAL INTELLIGENCE IS PROHIBITED

A:

Q: Please answer this advanced functions grade 12 question on paper, please make sure the answer is…

A: We have two statements in question 17.(i)  x is the harmonic mean of two numbers, a and b.(ii)  x1​…

Q: Q1

A:

Q: Can you use the definition to answer 5 please

A:

Q: The guy wire supporting a 100-foot tower has a tension of 520 pounds. Using the distances shown in…

A: Step 1:

Q: It urgent please

A: The given system of equations is:x1 + 5x2 + x3 = 12 2x1 - 3x2 + x3 = 6 5x1 + 2x2 - 2x3 = 2 We will…

Q: Gourmet Eatery has a policy of automatically adding an 18% tip to every restaurant bill. How much of…

A: The problem is asking us to find out how much tip is added to a restaurant bill of $54 if the tip…

Q: 5. (i) Write each of the two arguments below in 'Boolean goggles' form, using the letters A, B, C…

A: In the provided logic question, the task involves translating logical arguments into a simplified…

Q: Problem 2. Prove the theorem: If there is an xy-walk in a graph G, show that there is also an…

A: Step 1:Assume the opposite of what we want to prove, Suppose that,  there is an xy-walk in G but no…

Q: 11. At what points does the function Ang & have a limit? Where Ang & continous? Justify your Z Z…

A: To understand where the function Arg(z) (also written as Ang(z) in your question) has limits and is…

Q: (1 point) This question concerns the field GF(16). The modulus is P(x) = x² + x + 1. Please answer…

A:

Q: compex number

A: Step 1:  Step 2:Step 3:

Q: Express the following invertible matrix A as a product of elementary matrices: You can resize a…

A:

Q: A Bernoulli differential equation is one of the form Observe that, if n 0 or 1, the Bernoulli…

A: Step 1:Step 2:Step 3: Step 4:

Q: Please help me with these questions. I am not understanding what to do. Thank you

A:

Q: Step by step solution to get the first derivative of the given f(x)

A:

Q: Solve the following first-order PDE using a change of coordinates (x, y) → (r, s):

A:

Q: Pls help ASAP, and show all work and steps and please circle the final answer.

A: Step 1: Identify the logarithmic rules that apply to the problemn logb x = logb (xn) blogb(k) = k…

Q: KINDLY PROVIDE FULL DETAILS AND CALCUTLATIONS WITH ANSWERS AND NOT JUST HOW TO DO IT

A:

Q: Exercise 34 Let AEMAA (F k+l Show that for each ichlen hal C Σ a liCki = 0 and i=1 E Σ are lik = 0 i…

A: To prove this statement, let's go through the steps carefully and provide a complete…

Q: Please calculate Show-me pass-to-pass

A: //The answer above is a possible detailed explanation of the question mentioned…

Q: 14. Give a combinatorial proof that

A: Step 1: So our aim is to prove,  ∑k=1n​k(kn​)=n.2n−1. We interpret this as a counting problem.…

Q: 1. Given that cos A=- 35 determine the exact value of cos 2A .

A: You are given that cos⁡A = 3/5 and asked to find the exact value of cos⁡2A, which is the cosine of…

Q: Can you help me with the following discreet mathematics problem:

A: The original statement is a conditional statement in the form 'If P, then Q', where P is 'n is at…

Q: Solve the initial value problem: Y(r) = xy + y² y' = 2 , y(−1) = −1 Note that we've been given an…

A: We have the differential equation:y′=x2xy+y2​,y(−1)=−1This can be rewritten as:y′=xy​+x2y2​Now, let…

Q: A distance was observed four times as 248.13, 248.06, 248.18, 248.15. The observations were given a…

A: The weighted mean, also known as the weighted average, is a measure of central tendency which…

Q: Exercise 25: Shou sign any YE Sn = Sign (4-1)

A: Step 2: Step 3: Step 4:

Q: not use ai please

A: Here we are given a graph showing relationship between yearly income of subjects and the price of…

Q: Suppose A is a o-algebra on R and f: R -00, +00] such that f¹(E) E A, prove that (-0, +oo]. If is…

A: Step 1:Step 2:Step 3:Step 4:

Q: please do each properly, never did this before so not sure how to do it. thank you so much for the…

A:

Q: I have no idea im so lost

A: Skewed Distributions - When a distribution is skewed (either to the left or right), the mean can be…

Q: Plz solve correctly all parts Will definitely upvote Don't use chat gpt

A: Define matrices:Cost matrix (C): This matrix contains the production costs for each sector and…

Q: problem 3

A: To answer the questions based on the graph drawing shown in your image: Problem 3: a) Number of…

Q: 3

A:

Q: (2) The three forces acting on the rectangular plate can be reduced to one single resultant force.…

A:

Q: Can you help me with these proofs

A: 1. Prove that if m3 is even, then m must be even.Proof:We use a proof by contrapositive here. The…

Q: Can you solve this problem without using Chatgpt  Plz I need it's correct answer

A: Step 1: Step 2: Step 3: Step 4:

Q: Prove: f(x) = 1+x² is Lipschitz continuous in R.

A: Step 1: Step 2: Step 3: Step 4:

Q: Find the reduced row echelon form of this augmented matrix [1 1 0 0 1001 11 -1 350 4-23 300

A:

Q: Help me answer this question with step by step working outs

A: Part a) Find the stationary point(s) of f(x). Step 1: Differentiate f(x)We need to find the…

Q: (4) The 250 N force is applied at point A on the handle of the monkey wrench as shown. (a) Determine…

A: Approach to solving the question:Concept of Moment and moment armDetailed explanation:The moment…

Q: 1. Translate the following sentences into FOL, using the Tarski's World predicates 1. the identity…

A: Summarized Table:SentenceTranslation (FOL)d and e are both the same size as…