1.

Solve the equation sin2 x - sin x - 2 = 0, for x on the interval 0 ≤ x < 2π.

A. \(\dfrac{3\pi}{2}\)
B. \(\dfrac{\pi}{4},\dfrac{2\pi}{7}\)
C. \(\dfrac{2\pi}{3},\dfrac{2\pi}{5}\)
D. None of these
Answer» B. \(\dfrac{\pi}{4},\dfrac{2\pi}{7}\)


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