Question
Download Solution PDFनिम्नलिखित को सरलीकृत कीजिए।
cot 13° cot 27° cot 45° cot 63° cot 77° = ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
cot 13° cot 27° cot 45° cot 63° cot 77°
प्रयुक्त सूत्र:
गणना:
cot 13° cot 27° cot 45° cot 63° cot 77°
⇒ cot 13° × cot 27° × cot 45° × cot (90° - 27°) × cot (90° - 13°)
⇒ cot 13° × cot 27° × cot 45° × tan13° × tan 27°
⇒ 1 × 1 × 1 = 1
∴ अभीष्ट उत्तर 1 है।
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