C. 2
ExplanationStep 1: sec θ is reciprocal of cos θ. Step 2: cos60° = 1/2 so sec60° = 2. Step 3: Remember reciprocal ratios in pairs.
Step 1: sec θ cos θ का reciprocal होता है। Step 2: cos60° = 1/2 इसलिए sec60° = 2। Step 3: Reciprocal ratios को pair में याद करें।
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