Question

Prove that: cos 2A = tan(π -A)

1+ sin2A 4​

Answer 1

Answer:

Tan (pi/2 - u) =cot u ... Sin 2a = 2 sin u cos u. Cos 2a = cos ^2 u - sin ^2 u = 2 cos^ 2 u - 1 = 1 - 2sin^2 u. Tan 2 ... Product Identities. 4 terms. greatTheExceptionist ...

Answer 2

Answer:

follow me

make me as brainliest