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Prove the following : (1-cos2A+sin2A)/(1+cos2A+sin2A) = tanA |
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Answer» SOLUTION :L.H.S. = `(1-cos2A+sin2A)/(1+cos2A+sin2A)` `(2sin^2A+2sinAcosA)/(2cos^2A+2sinAcosA)` `(2SINA(sinA+cosA))/(2COSA(cosA+sinA))` TANA = R.H.S. |
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