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1+cosA/1-cosA = M^2 /n^2 then find the value of tanA

1+cosA/1-cosA = M^2 /n^2 then find the value of tanA

Grade:11

1 Answers

Arun
25763 Points
3 years ago
Dear student
n² + n² cos A = m² - m² cosA
cos A( m² + n²) = m² - n²
Cos A = (m² - n²)/(m² + n²)
Hence now you can find tan A, even all the trigonometric ratios.
Regards
Arun (askIITians forum expert)

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