Question

Match the trigonometric functions with the reciprocal functions.
1. cos
2. tan
3. sin

a. cot
b. sec
c. csc

Answer 1

http://www.angelfire.com/pro/grade_ten_math/Unit5/secondary.html

Answer 2

So first of all the tan and cotangent go together. Those are easy.

Answer 3

Then the rest are opposite. cos goes with sec. sin goes with csc.

Answer 4

Ive always heard of cos, tan, and sin. but where did csc come from?