trigonometry

Question: If $\sin 2\theta =\cos \theta ,\,\,0<\theta <\pi $, then the possible values of $\theta $ are

1) ${{90}^{o}},{{60}^{o}},{{30}^{o}}$

2) ${{90}^{o}},{{150}^{o}},{{60}^{o}}$

3) ${{90}^{o}},{{45}^{o}},{{150}^{o}}$

4) ${{90}^{o}},{{30}^{o}},{{150}^{o}}$

Solution:

Explanation: No Explanation

Solution of trigonometric equations

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)