Question 22 Prove the identity + cosA 1-cosA 1-cosA 1+ cosA = 4 cot A cosec A. Question 23 Prove the identity (sin x+1)(sin x-1)(sin² x + tan² x+ cos²x)=-1.

Q: tan(sin-14/5+cos-11)

A: The given trigonometric expression is

Q: try to simplify (1+ cos²x-Sin²x)(1+tan²x) 20

A:

Q: sin(sin 1 + tan (-3))

A: find the explanation below

Q: Cosx Differentiate Tam 1+ cosx

A:

Q: cos cos - sin' Compute the exact value of

A: Simplification

Q: Verify the identity: (cos 4x - cos 2x)/(sin 2x - sin 4x) = tan 3x

A:

Q: Compute the exact value of sin() (7. 8

A: To find:sin7π8

Q: sin3 COs x

A:

Q: Find sin 8. tan 0 = √2 w|n 3 cos 8>0

A: given  tanθ=-23,  cosθ>0tanθ<0  and  cosθ>0, there for θ is in 4th quadrant

Q: Evaluate the exact value of cos sin 61

A:

Q: tan 0 csc 0 cos 0 = 1

A: Given,           tanθcscθcosθ=1

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

A:

Q: Verify the identity: 1 1+ sin + 1 1-sin/ = 2+2tan² 0.

A: The given identity is,

Q: Determine the exact value of cos(sin-1(-10/11) Include a diagram with a labeled triangle in the…

A: Given that, cossin-1-1011   As we know, sinx=Opposite SideHypotenusecosx=Adjcent SideHypotenuse

Q: Find the value of 2 sin2 30° tan 60° – 3 cos2 60° sec2 30°

A:

Q: Suppose that csc a = and 0<a< 4 Find the exact values of cos and tan-

A:

Q: 1 2. - + tanx = tanx sinxcosx

A:

Q: sin 5tdt V1+ cos /1+cos5t

A: We need to evaluate ∫sin 5t dt1+cos 5t                                    (1) Let  1+cos 5t = u On…

Q: sin (3pi/2 + theta) = -cos (theta)

A:

Q: What is the exact value of cos- (sin a) where a = 13T radians? 4

A:

Q: COS 437/12 COS7T4+Sin 43T112 Sin? Ti/4

A: The expression is given by cos43π12cos7π4+sin43π12sin7π4 To evaluate: The value of the expression

Q: Which of the following is an equivalent expression to sin 8-(sin )(cos²0)?

A: