त्रिकोणमितीय सारणी का बिना प्रयोग किए, \[ \frac{3 \sec 37^{\circ}}{\operatorname{cosec} 53^{\cir...

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त्रिकोणमितीय सारणी का बिना प्रयोग किए,
\[
\frac{3 \sec 37^{\circ}}{\operatorname{cosec} 53^{\circ}}-\frac{\tan 20^{\circ}}{\cot 70^{\circ}}
\]
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