Question

(1- cos2A/1+ sinA) = sinA prove​

Answer 1

Answer:

Take the question as Prove that, 1 - $(\frac{cos^2A}{1+sinA} )$ = sinA

Step-by-step explanation:

You have type the question wrongly

The correct question will be ,

Prove that, 1 - $(\frac{cos^2A}{1+sinA} )$ = sinA

take , LHS

= 1 - $(\frac{cos^2A}{1+sinA} )$

= 1 - $(\frac{1-sin^2A}{1+sinA} )$

= 1 - $\frac{(1+sinA)(1-sinA)}{(1+sinA)}$

= 1 - (1-sinA)

= 1 - 1 + sinA

= sinA

= RHS

=> LHS = RHS

Hence proved