1) cos- 0 V3 3) cos-! 5) sin--1 7) cos-1

Q: 14- Prove the identities a) (1-2sin^2 x)/(cos x + sin x)+2 sin x/2 cos x/2= cos x b)…

A: Part-a

Q: Prove a) cos(0+0) = COSOCOS-sinesind

A: Since you have asked multiple questions in a single request so we will be answering only first…

Q: 10) cos 0 (sec 0- cos 0)

A: Given that: 10)cosθ(secθ-cosθ)12)(1-cosx)(1+secx)(cosx)

Q: tan (sin-)

A:

Q: 1. Prove cos 8-sin 8 cos 8 + sin e = sec 28 tan 20.

A:

Q: How do I verify both equations are the same ?

A: Given identity

Q: ) cos(cos-¹(35)) ) sec(tan-¹(5)) csc(sin-¹(n)) ) cos ¹(cos(29°)) (4π) 5 =) sin ¹[sin ]]

A:

Q: 1) cos- 1 2 3) sin-1 V3 5) cos-.

A: As per our guidelines we are supposed to answer only first three parts.kindly repost others part as…

Q: sin -1

A: NOTE: Refresh your page if you can't see any equations. . use the formula