JEE MATHEMATICS MCQ: TRIGONOMETRIC EQUATIONS

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Analyzing +4 | -1

For

x \in(0, \pi)

, the equation

\sin x+2 \sin 2 x-\sin 3 x=3

has

View answer and explanation

Correct option: D

No solution

Option D (No solution) is correct because the equation simplifies to a form where

\sin x

must be 1 and

\cos x

must be 1/2 simultaneously, which is impossible within the given interval.

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