Simplify and choose the correct option.

MATHEMATICS · Single correct · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Simplify

\dfrac{1}{\csc x}+\dfrac{1}{\sec x}

and choose the correct option. (a)

\dfrac{1}{\sin x+\cos x}

(b)

\sin x\cos x

(c)

\sin x+\cos x

(d)

\dfrac{\sin x+\cos x}{\sin x\cos x}