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सिद्ध कीजिए कि cot A+cot(60^(@)+A)+cot(1...

सिद्ध कीजिए कि `cot A+cot(60^(@)+A)+cot(120^(@)+A)=3cot3A`

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cot A + cot (60^(@) + A) + cot (120^(@) +A) = 3 cot 3 A.

"Prove that " cotA + cot ( 60^(@) + A) + cot (120^(@) + A) = 3 cot 3 A.

Prove that: cot A+cot(60^(@)+A)-cot(60^(@)-A)=3cot3A

Prove the following identity: cot A+cot(60^(@)+A)+cot(120^(@)+A)=3cot3A

Prove that: cotA+"cot"(60^0+A)-cot(60^0-A)=3cot3A

Prove that: cotA+"cot"(60^0+A)-cot(60^0-A)=3cot3A

Prove that cot theta + cot (60^(@) theta) + cot (120^(@) + theta) = 3 cot 3 theta .

Prove the following identity: cot A+cot(60^0+A)+cot(120^0+A)=3cot3A

Prove that: cot theta+cot(60^(@)+theta)+cot(120^(@)+theta)=3cot3 theta