The least value of for which the equation has at least one solution on the interval is

MATHEMATICS · Subjective · CBSE · Mathematics · Sequences and Series · Sequences and Series

Problem

The least value of

a

for which the equation

\frac{4}{\sin x}+\frac{1}{1-\sin x}=a

has at least one solution on the interval

(0,\frac{\pi}{2})