Range of the function is

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

Problem

Range of the function

\frac{1}{2-\sin 3x}

is (a)

[1,3]

(b)

\left[\frac{1}{3},1\right]

(c)

(1,3)

(d)

\left(\frac{1}{3},1\right)