Question

prove that (1+tan'2 theta) (1-sin theta)= 1​

Answer 1

Answer:

LHS :

(1 + tan^2 theta)(1 - sin^2 theta)

=> sec^2 theta cos^2 theta

=> 1 × cos^2 theta

_________

cos^2 theta

=> 1 = RHS

Proved

If it is sin theta then it will not come so I have done by sin^2 theta.

Hope it helps.