Establish the identity. 2 cos a- sin "a= a-1 2 2 cos? Using the identity sin a+ cos a= 1, make the appropriate substitution. Which of the following s'a3D O A. cos a- (1- cos a) = 2 cos? a- 1 2 cos 2 a- 1 = 2 cos a-1 %3D α-1 O B. 2 (1 2 )

Q: Establish each identity.

A:

Q: Find the value of x. Show all algebra work. 13. (2x-70) 130

A:

Q: Find the SSE for the model 35 X Data Model 30 X 29 y%=2.5x-8 25 25 20 15 10 11 12 13 14 15 16 17 20

A:

Q: 1 + sin 0 1 + sin 0 1 - sin 0 |cos 6|

A:

Q: cos2x = 1 -S2sinx %3D 1 + S2sinx

A:

Q: Establish each identity.

A: To establish the identity: sin(4θ)+sin(8θ)cos(4θ)+cos(8θ)=tan(6θ) Solution: We know,…

Q: Match each identity

A:

Q: Establish each identity.

A:

Q: 7. The graph of a function y=f(x) defined on the interval (-∞,6) is shown below. Use the graph to…

A: Given,

Q: cos Z (csc Z - sec 2) = cot Z

A: Our Aim is to prove the identity given below:-cos z (cosec z - sec z)= cot z-1 -(i)

Q: Find the exact value of the following expression. - 1 cos (-1/2) In which quadrant is this angle?

A: We know that,

Q: Establish each identity.

A: Given: The statement secθ-cosθ=sinθtanθ, To find: The given identity.

Q: Verify the identity:

A:

Q: Establish each identity.

A: Given sinθ+cosθcosθ-sinθ-cosθsinθ=secθcscθ

Q: Establish each identity.

A: Given identity is  sin4θ+sin2θcos4θ+cos2θ=tan3θ

Q: establish each identity.

A: Our Aim is to prove sin θ cos θcos2 θ-sin2 θ=tan θ1-tan2 θ -(i)

Q: Establish each identity.

A: Solution:To establish1+cos 2θ+cos 4θ+cos 6θ=4 cos θ cos 2θ cos 3θFormula:cos A + cos B= 2 cos A+B2…

Q: Verify the identity:

A: Given : 1sinxcosx - cosxsinx = tanx

Q: 1 10. cos 0 tan 0 +1 2

A: .We will verify the given identity.Below find the solution in image.

Q: Perform a reflection

A: To find the reflection for the given vertices :