Question

What is the right triangle definition of the cosecant function?

A. hypotenuse/adjacent
B. opposite/hypotenuse
C. adjacent/hypotenuse
D. hypotenuse/opposite
E. opposite/adjacent

Answer 1

D. hypotenuse/opposite

Explanation:

The mnemonic SOH CAH TOA reminds you that ...

Sin = Opposite/Hypotenuse

You know that

csc = 1/sin

so

csc = 1/(opposite/hypotenuse) = hypotenuse/opposite . . . . matches D