If `x in [0, pi/2]` then the number of solutions of the equation sin 7x + sin 4x + sin x = 0 is HD
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `x in [0, pi/2]` then the number of solutions of the equation sin 7x + sin 4x + sin x = 0 is
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