Math, asked by ranjithrishadd, 5 hours ago

prove cot20+cot30+cot40 = cot20·cot30·cot40

Answers

Answered by Anonymous

0

SOLUTION

TO DETERMINE

The value of

cot 10° cot 20° cot 30° cot 40° cot 90°

EVALUATION

cot 10° cot 20° cot 30° cot 40° cot 90°

= cot 10° × cot 20° × cot 30° × cot 40° × 0 ( since cot 90° = 0 )

= 0

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