Which of the following equations has no real solution?

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

Which of the following equations has no real solution? (a)

\tan x = 2

(b)

\sin x = -1

(c)

\cos x = 1.5

(d)

\sin x = \dfrac{\pi}{6}

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