Math, asked by ksrshastry, 8 months ago

TanA = ntanB, SinA =msinB prove that cos^2 A = m^2 -1 / n^2-1

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Answered by Avni2348

0

Answer:

answer is incorrect .

please write proper answer.

Answered by gmpooja

0

Answer:

the answer is incorrect............................

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