Question

Find tano, where is the angle shown.

Give an exact value, not a decimal approximation.
17
ө
8

Answer 1

Explanation:

cos θ=8/17

sec θ=17/8

sec² θ-tan²θ=1

tan θ=√(sec²θ-1)=√((17/8)²-1)=√((289-64)/64)=√(225/64)=15/8