If $x \in [0, \frac{π}{2}]$ , the number of solutions of the equation, $sin 7 x + sin 4 x + sin x = 0$ is

3

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5

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6

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N o n e

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Solution

The correct option is A $3$

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Similar questions

\cos 3 x \tan 5 x = \sin 7 x

sin x = 3^{x}

[0, \frac{π}{2}]

x \in [0, 100 π]

{sin}^{4} x - {cos}^{2} x sin x + 2 {sin}^{2} x + sin x = 0

x \in [0, 100 π]

{sin}^{4} x - {cos}^{2} x sin x + 2 {sin}^{2} x + sin x = 0

$The number of solution in [0, π / 2] o f t h e e q u a t i o n c o s 3 x t a n 5 x = s i n 7 x i s$

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