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If A+B+C=180° and CotA+CotB+CotC=1, then CosA.CosB.CosC is?

If A+B+C=180° and CotA+CotB+CotC=1, then CosA.CosB.CosC is?

Grade:12

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

A be 90

B and C be 45

Value of required expression = 0

Regards

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