## anonymous 5 years ago Haven't been able to get this one please help! Simplify the expression cos^2 x -------- 1 + sin x A) 1 - sin x B) tan^2 x C) sec^2 x D) 1 E) 1 + cos x

1. anonymous

$\frac{cos^2(x)}{1+sin(x)}=\frac{1-sin^2(x)}{1+sin(x)}=\frac{(1-sin(x))(1+sin(x))}{1+sin(x)}$

2. anonymous

$=1-sin(x)$