Question

( operatorname{siven}: k=frac{2 sin A}{1+sin A+cos A} quad frac{text { Page No. }}{ } )
Let ( quad frac{x}{1}=frac{1-cos A+sin A}{1+sin A} )

# 2 sin A *17. If -=k, then 1+ sinA+COSA 1+ sinA-COS A 1+ sinA (1) (3) 2K engine 10 (4)

Solution