Find the value of tan 2A, if cos 3A = sin 45º.
Answers
Answered by
3
Cos 3A = SIN 45°
COS 3A= 1/√2
3A= COS -¹ 1/√2
3A=45°
A= 45°/3
A= 15°
Please follow me thanks ❤✌♥
Similar questions