Write the trigonometric expression as an algebraic expression in u. sec (cos^-1 u)

Q: Cos^-1 (cos(-60*)) Answer in degrees pls.

A: Solution is given below:

Q: verify the trigonometric identites 2-cos2 x/sinx= cscx +sinx

A:

Q: (99) Sin (2 sec)

A: Topic:- trigonometry ratios

Q: simplify  tan(cos^-1(x))

A:

Q: Evaluate (1+tan0+sec0)(1+cot0-csc0)

A:

Q: cos^2θ/2= 1+cosθ/2 derive the identity

A:

Q: cos(sin^-1u-cos^-1v) Write as an algebraic expression of u and v

A:

Q: Complete the identity cos^2?+tan^2?+sin^2?=

A:

Q: sin 0(1 + tan 0) tan 0(sin0 +cos0)

A:

Q: Use a Pythagorean identity to simplify  6 cos^2 ? − 6 sin^2 ?.

A:

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.