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in Mathematics by (69.1k points)

If x ≠ npi/2 and (cos x)sin^2 x - 3 sin x + 2 = 1, then find the general solutions of x.

(1) 2npi ± pi/4 + pi/12

(2) npi + (-1)n pi/4 + pi/12

(3) 2npi ± pi/4 - pi/12

(4) Solution is not possible

1 Answer

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Best answer

Correct option (4) Solution is not possible

Explanation :

where sin x = 2 is not possible and sin x = 1 does not satisfy the equation.

.'. no general solution is possible.

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