2 with '3' Given that cos 2x = W|N J 2

Q: 8. cos x+- +sin x- 3 6.

A: According to the guidelines I have to solve only first question. We can solve this problem…

Q: 2 16 sin *x cos x

A: Given, the expression 8sin2xcos2x. We have to write this expression in terms of trignometric…

Q: Solution set for cos0=-1/2

A: To find the general solution: cos θ=-12 We know that cos 2π3=cosπ-π3=-12 So, the principal solution…

Q: What expression is equal to the given expression below? 1- tan²x 1+tan²x a. sin 2x b. cos 2x -sin 2x…

A: Given: 1-tan2x1+tan2x We write tan x by using the ratio of sin x and cos x.

Q: Rewrite the expression as an algebraic expression in x. cos(tan-(x))

A: Given cos(tan-1(x)),

Q: 1+sin x 4 15. Evaluate o cos2 x

A: Integral of sec^2x is tanx and secxtanx is secx

Q: Differentiate the following. Simplify your answer. y = (cosx)(4sinx) Select one: 4(сosx - sinx) a.…

A: Solving the problem by doing the derivative.

Q: Evaluate 1 dx 3 sin x – 4 cos x -

A:

Q: Il Simplify the fractional expressions to lowest terms. A. For numbers 1-3, factor each expression…

A:

Q: Evaluate the expression without using a calculator. (Assume the variable represents a positive…

A: We have to use formula for  cos(2θ)  =  ( 2*cos2(θ) - 1 )

Q: Tan (690) × cos(-510)

A: To find: The value of . Formula used: Trigonometric reduction formula:

Q: Cos h2

A: The given series is ∑n=1∞1n2cos1n. Let an=1n2cos1n. Note that, the bound of cosine function is…

Q: (1+sin?)(1-sin?) + 5 = cos2? + 5

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: 2. Simplify, without a fractional answer: 2(1 - cos²x) sin³ x(cos²x+ sin² x)

A: