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Grade 12th passTrigonometry

cot3a=?

Profile image of PK NAIN
11 Years agoGrade 12th pass
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2 Answers

Profile image of Vijay Mukati
11 Years ago
Hint: Replace cotA by 1/tanA and then use the formula for tan3A. Thanks.
Profile image of pa1
10 Years ago
Hint: Replace cotA by 1/tanA and then use the formula for tan3A. Thanks.

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