Which trigonometric ratio equals the reciprocal of ?

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

Which trigonometric ratio equals the reciprocal of

\cos \theta

? (a)

\cot \theta

(b)

\sin \theta

(c)

\sec \theta

(d)

\sec^{2}\!\theta