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1.Tan(π\4+x/2)=tanx+secxProve that2.√1+sinx/√1-sinx=tan(π\4+x/2)

1.Tan(π\4+x/2)=tanx+secxProve that2.√1+sinx/√1-sinx=tan(π\4+x/2)

Grade:11

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