Evaluate: cot 75°* cot 30°* cot15°* tan 77°* tan13°
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18
Solution :
cot 75°* cot 30°* cot15°* tan 77°* tan13°
= cot (90° - 15°)* cot 30°* cot15°* tan (90° - 13°)* tan13°
= tan15°*cot30°*cot15°*cot13°*tan13°
= cot30°
= √3
Answered by
3
Answer:
✓3 is the correct answer mark me as brainlist
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