Question

( left(frac{1}{sin A}-sin Aright)left(frac{1}{cos A}-cos xright) )
Now thy the tenommaten ( I=sin ^{2} A+cos ^{2} A )
( =frac{sin A cos A}{sin A+cos alpha}=frac{C sin A}{sin A cos A}+frac{sin A C}{sin A cos A} )
( =tan A+G+A )

# (visi) (cosecA - Sio Allocc A -COSA) : tand + Cota

Solution