trigonometric identities grade 12 practice

In this lesson we look at some examples of grade 12 trigonometric identities.

[ManojkantSamal]

LHS: sin2x/(1+cos2x)
=(2.sinx.cosx)/{1+2sin^x-1}
=(2.sinx.cosx)/{2sin^2x)
=(Sin x.cosx)/(Sinx.sinx)
=Cosx/sinx
=Cotx...