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IF atanA+btanB=(a+b)tan((A+B)/2), a not equal to 0. then prove that:acosB=bcosA

IF atanA+btanB=(a+b)tan((A+B)/2), a not equal to 0. then prove that:acosB=bcosA

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
3 years ago

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