Class 11 Mathematics Trigonometrical Equations Solution of trigonometrical equations

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સમીકરણ $\sin x - \sin 2x + \sin 3x = 2 \cos^2 x - 2 \cos x$ ના $(0, \pi)$ અંતરાલમાં ઉકેલોની સંખ્યા કેટલી છે?

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A
$1$
B
$3$
C
$2$
D
$4$

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Class 11

Mathematics Questions

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Trigonometrical Equations

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Solution of trigonometrical equations

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