Math, asked by ranveer6133, 1 year ago

Somebody help me with explanation.

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Answered by rakeshmohata

0

Answer is d.
.
.
Any how...what ever the value of x be.. Cotx =1/tanx so Cot(x/2)=1/tan(x/2).
.
Thus tan(x/2).cot(x/2)
= tan(x/2) × 1/tan(x/2)
= 1

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