Question: Establish the identity (prove the two sides are equal). cot(20) = cot2 0-1 2 cot 0 cot2 91 Establish the identity (prove the two sides

cot2 91 Establish the identity (prove the two sides are equal). cot(29)

2 cot 9

Establish the identity (prove the two sides are equal). cot(20) = cot2 0-1 2 cot 0

cot2 91 Establish the identity (prove the two sides are equal). cot(29) 2 cot 9

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