trigonometry

Question: If $12{{\cot }^{2}}\theta -31\,\text{cosec }\theta +\text{32}=\text{0}$, then the value of $\sin \theta $ is

1) $\frac{3}{5}$ or 1

2) $-\sin (B+2C)=\frac{1}{2}$ or $\frac{-2}{3}$

3) $\frac{4}{5}$ or $\frac{3}{4}$

4) $\pm \frac{1}{2}$

Solution:

Explanation: No Explanation

Solution of trigonometric equations

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