Prove the following identities: sin 6+ sec 0) +(cos 0+ sece) = (1+sec0 cosece)

Q: Express as a single sine function: 10 cos (100t - 9°) + 10 sin (100t + 19°)

A: Given the given function is 10 cos100t - 9° + 10 sin100t + 19° Apply formula cosa-b=cosa cosb + sina…

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

A:

Q: 1 + sec'2 V Simplify sin cos -1 -1 3.

A: Given expression can be evaluated as shown below Given Sin(arc cos(1/√3)+arc sec(2))

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.