Use the cosine of a sum and cosine of a difference identities to find cos (s + t) and cos (s - t). 12 and sint= 13 3 sin s = s in quadrant IV and t in quadrant II 5 cos (s + %3D (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) cos (s - t) = %3D (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)

Q: Write the expression cos(10x) - cos(12x) as a product of sines and/or cosines. NOTE: Enter the…

A: To write the expression cos10x-cos12x as a product of sines and/or cosines.

Q: Il Simplify the fractional expressions to lowest terms. A. For numbers 1-3, factor each expression…

A:

Q: Find the identical expression for the following. 1-cos x 1+cosx

A: Find the identical expression

Q: Simplify the following expression. 2. (1+ sinx)(1 – sinx)

A:

Q: -11m. ii. cos-1(cos()) CO 6.

A: Given problem:- cos-1(cos(11π6))=?