Question

If 5cot
theta
= 12, Evaluate tan^2theta-1/
Cos²theta​

Answer 1

Step-by-step explanation:

5cot theta=12

cot theta=12/5

b=12 p=5

by pythagoras

h=13

tan^2 theta -1= 119/25

cos^2 theta=144/169

therefore answer is119*144/169*25

that is 4.055