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Grade 11Trigonometry

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

Profile image of keerthi
8 Years agoGrade 11
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1 Answer

Profile image of Arun
8 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)