B. √3
ExplanationStep 1: cot θ is reciprocal of tan θ. Step 2: tan30° = 1/√3 so cot30° = √3. Step 3: Remember reciprocal ratios in pairs.
Step 1: cot θ tan θ का reciprocal होता है। Step 2: tan30° = 1/√3 इसलिए cot30° = √3। Step 3: Reciprocal ratios को जोड़ी में याद करें।
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