C. 2 / 2
ExplanationStep 1: cosec θ is reciprocal of sin θ. Step 2: sin30° = 1/2 so cosec30° = 2. Step 3: Remember cosec and sin as reciprocal pair.
Step 1: cosec θ sin θ का reciprocal होता है। Step 2: sin30° = 1/2 इसलिए cosec30° = 2। Step 3: cosec और sin को reciprocal pair की तरह याद रखें।
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