turkey-yks 2010 Q19

turkey-yks · Other · lys1-math Trig Proofs Trigonometric Identity Simplification
$$\frac{(\sin x - \cos x)^{2}}{\cos x} + 2\sin x$$
Which of the following is this expression equal to?
A) $\frac{1}{\cos x}$
B) $\frac{1}{\sin x}$
C) $1$
D) $\arcsin x$
E) $\arccos x$
$$\frac{(\sin x - \cos x)^{2}}{\cos x} + 2\sin x$$

Which of the following is this expression equal to?

A) $\frac{1}{\cos x}$\\
B) $\frac{1}{\sin x}$\\
C) $1$\\
D) $\arcsin x$\\
E) $\arccos x$