Question

Let g(x) = 2 + 3 sin 2x cos x and h(x) = sin x + 3 cos 2x sin x
The number of distinct real roots of the equation g(x) + h(x) = 0 in the interval {0, 2π} is

a) 1 b) 3 c) 5 d) 6

Answer 1

g(x) + h(x) = 2 + 10sinx - 12sin^3x so ans is A

Answer 2

Answer:

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Step-by-step explanation:

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