Question

Cos27°.tan 27°.tan 63°.cosec63° =1 prove that

Answer 1

Step-by-step explanation:

Tan 63° tan 27° ⇒ tan 63° cot (90° - 27°) [∵ tan θ = cot (90° - θ)] ⇒ tan 63° cot 63° = 1 = RHSRead more on Sarthaks.com - https://www.sarthaks.com/929511/prove-that-tan-63-tan-27-1?show=929514#a929514