1 1. Use basic identities to simplify the expression secx cos x + cos x secx

Q: Evaluate tan(3 – 2i)

A:

Q: evaluate exactly cos-1(-3/2)

A: -3/2 lies outside the domain of the function. Hence we will have no solution

Q: The trigonometric relation sin (+2)+sin (-2) is equivalent to: O √2 cos x √2 sinc T O2 sin- O2√2+…

A:

Q: If cos cos0 0=find seco

A:

Q: Evaluate cos tan Vx² + 1

A: We have to evaluate the given trigonometric function.

Q: Which expression does (cos 3x)(cos x) - (sin 3x) (sin x) simplify to? O cos 4x sin 2x O cos 2x sin…

A:

Q: tan2x(1+cos2x)=1-cos2x. Verify the identity

A: To verify the equation

Q: Which expression does (sin x)(cos 2x) + (cos x)(sin 2x) simplify to? O cos 3x O-sin x sin 3x O…

A: To simplify the expression

Q: What are the differences between cosx and cos ¹x

A:

Q: Evaluate cos-1 (2+3i).

A: I am going to solve the given problem by using some simple trigonometry to get the required result…

Q: Verify the identity: csc x - csc x cos2 x = sin x

A: We know that, cosecx=1sinx            ⋯⋯1sin2x+cos2x=1sin2x=1-cos2x     ⋯⋯2 We have,…

Q: Evaluate tan (cos-¹(-3)) 5

A:

Q: Which expression does (sin x)(cos 2x) + (cos x)(sin 2x) simplify to?  cos 3x  −sin x  sin 3x…

A:

Q: Evaluate V2 cos sin-! 2.

A:

Q: Evaluate 3 L, cos¹ (2+1) dr. -1

A: l have given the answer in the next step. Hope you understand that

Q: Simplify the expression :  sec x cos x + cos x − 1/sec x  using basic identities

A: The basic identity is:cosx=1secx or secx=1cosx

Q: 5) cos X = 35 B. 12 37 R

A: Use the trigonometry ratio formula for cosx