Question

question 4 of 25
what is the reciprocal function of cosine?
a. cotangent
b. sine
c. secant
d. cosecant

Explanation:

The reciprocal of a function is 1 divided by that function. The cosine function's reciprocal is defined as the secant function, where $\sec(\theta) = \frac{1}{\cos(\theta)}$.

Answer:

C. Secant