Find the period of the function y = -5 cos (x). A) 5 B) 𝜋5 C) 2⋅𝜋 D) 𝜋

Answer 1

To find the period for a sine, cosine, secant, or cosecant function you use period = (2pi) / frequency. Frequency is the b value in y = a trig b(x - h) + k. In your question that would be period = (2pi) / 1 or 2 pi

Answer 2

Asked and answered