Question

Sin 4 A / cos 2 A × 1- cos 2 A / 1- cos 4A = tan A


guys plz help me as fast as possible​

Answer 1

Step-by-step explanation:

sin 4A=2 sin 2A cos 2A

sin 2A=2sin Acos A

1-cos 2A= 2sin^2A

1-cos 4A=2sin^2(2A)

expand LHS by using this formulas and simplify