If , prove that 1 1 - m 2 + 1 1 - m 2 = 2 1 - m^2…

MATHEMATICS · Subjective · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

If msin⁡(α+β)=cos⁡(α−β)m \sin(\alpha + \beta) = \cos(\alpha - \beta) , prove that 11−msin⁡2α+11−msin⁡2β=21−m2.\frac{1}{1 - m \sin 2\alpha} + \frac{1}{1 - m \sin 2\beta} = \frac{2}{1 - m^2}.

Related theory

Browse the problem library