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slaaibakBest ResponseYou've already chosen the best response.1
LHS: cos x + sin^2 x/cos x = (cos^2 x + sin^2 x)/cos x = 1/cosx =sec x
 2 years ago

AditiMeowBest ResponseYou've already chosen the best response.0
sinx tanx = secx cos x =(1/cosx)cosx =(1  cos^2x)/cosx = (sin^2x)/cosx = sinx sinx/cosx = sinx tanx
 2 years ago
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