Solutions of Trigonometric Equations

MM

Mashaal Masha

Dec 18, 2022

Choose the correct options for the following questions.

If $\sin 3\theta=\sin\theta$ the general value of $\theta$ is

Difficulty: Easy

A:

n\pi, (n+1)\frac{\pi}{4}

B:

n\pi, (3n+1)\frac{\pi}{3}

C:

(2n+1)\frac{\pi}{3}

D:

n\pi, (2n+1)\frac{\pi}{4}

If $\csc^{2}\theta=4$ then the value of $\theta$ is

Difficulty: Easy

A:

n\pi \pm \frac{3\pi}{4}

B:

n\pi \pm \frac{\pi}{2}

C:

n\pi \pm \frac{3\pi}{2}

D:

n\pi \pm \frac{\pi}{4}

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