Question

if SinA=√3/2 find the value of cot²A-1​

Answer 1

Answer:-2/3

Step-by-step explanation:

SinA=√3/2

A=60°

Cot^2 A-1= {cos^2 60°/sin^2 60°}-1

{1/4/3/4}-1

{1/4*4/3}-1

1/3-1

-2/3