MCQ
જો $12{\cot ^2}\theta - 31\,{\rm{cosec }}\theta + {\rm{32}} = {\rm{0}}$, તો $\sin \theta = . . ..$
- A$\frac{3}{5}$ અથવા $1$
- B$\frac{{2}}{3}$ અથવા $\frac{{ - 2}}{3}$
- ✓$\frac{4}{5}$ અથવા $\frac{3}{4}$
- D$ \pm \frac{1}{2}$
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