MCQ
$\operatorname{cosec} 150^{\circ}=?$
- A-2
- B$-\sqrt{2}$
- C2
- D$\sqrt{2}$
✓
Answer
(c) 2E
Explanation: $\operatorname{cosec} 150^{\circ}=\operatorname{cosec}\left(180^{\circ}-30^{\circ}\right)=\operatorname{cosec} 30^{\circ}=2$
Explanation: $\operatorname{cosec} 150^{\circ}=\operatorname{cosec}\left(180^{\circ}-30^{\circ}\right)=\operatorname{cosec} 30^{\circ}=2$
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