Solve question number h only
Salute u if u solved it
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L.H.S.
=cos(x/2)/sin(x/2)+sin(x/2)/cos(x/2)
=[cos^2(x/2)+sin^2(x/2)]/sin(x/2)cos(x/2)
=1/sin(x/2)cos(x/2)
on multiplying the eqn by 2 we get
=2/sin2(x/2)
=2/sinx
=2cosecx
=R.H.S.
Sir100:
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