Question

If sin A =
√3
2
find the value of 2 cot2 A – sec2 A.

Answer 1

Step-by-step explanation:

Is it Cot2A or cot²A

Because there is no formula for cot2A is standard 12

Answer 2

Answer:

A = 60

2cot^2 A - sec^2 A

2 cot^2 60 - sec^2 60

2*2√3 - √2

4√3 - √2

3√2