If the sin 30° is 1/2, then the cos ° = . A. 60° , 1/2 B. 30° , square root of 2/ 2 C. 60° , square root of 3/ 2 D. 30° ; 1

Provide an example of a trigonometric function and describe how it is transformed from the standard trigonometric function f(x) = sin x, f(x) = cos x, or f(x) tan x using key features.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Solve for x and select the correct answer