Rewrite the expression as a sum or difference a) sin52.5° sin97.5° b)prove the identity [(sin10x)/ (sin9x+sin x)] = (cos5x)/(cos4x)

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

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

Q: to find the 12 Evaluate sin- exact value.

A: Given that

Q: 2-Simplify first, then determine the exact value. (i - (sin7t/24 + cos7t/24)2

A:

Q: sin 6r Use the half-angle formulas to simplify the expression, 1+cos 6x sin23x + tan3x tan12x 1-…

A: Using half angle formula's.

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

A:

Q: Sin 37 = cos

A:

Q: Find the exact value of sin195o

A: Find the exact value:

Q: Can you write the product as a sum or difference of 8 sin(33b)cos(24b) ?

A: The objective of the question is to express the product of two trigonometric functions, specifically…

Q: What is the value of sin (b)

A:

Q: 10) Verify the identity sin0+cos0 sin0-cose %3D = sec0csc0 cose sino

A:

Q: Evaluate and draw picture  sin(4pi/3)

A: GIVEN DATA : Expression Sin4π3 TO FIND : Evaluate and draw the picture of the given expression Given…

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.