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if cosA/cosB = n, sinA/sinB = m, show that : (m^2 - n^2)sin^2 B = 1-n^2

if cosA/cosB = n, sinA/sinB = m, show that : (m^2 - n^2)sin^2 B = 1-n^2

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
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