Trig identities verify identity

Mathematics
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Verify trig identity 

1-cos^2x = (tanx)(cosx)(sinx)

Nov 20th, 2014

Since Sin^2 x + cos^2 x =1

Sin^2 x  =1- cos^2x

Hence Left side = 1-cos^2x = sin ^2x

Right side = (tanx)(cosx)(sinx)_

              =  sinx/cosx  * cos x * sinx

               = sin^2x 

               = left side

                 

Nov 20th, 2014

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