CBSE

MATHEMATICS · Single correct · CBSE · Mathematics · Inverse Trigonometric Functions · Inverse Trigonometric Functions

Problem

\csc^{-1}(\cos x)

is real if (a)

x \in [-1, 1]

(b)

x \in R

(c)

x

is an odd multiple of

\frac{\pi}{2}

(d)

x

is a multiple of

\pi

Related theory

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