Math, asked by gunasagar3977, 10 months ago

prove that the problem​

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Answered by Anonymous
1

LHS

 \frac{ \sin( \alpha ) }{1 +  \cos( \alpha ) }  +  \frac{1 +  \cos( \alpha ) }{ \sin( \alpha ) }  \\ \\⇒ \frac{ \sin( \alpha ) + (1 +  \cos( \alpha) ) {}^{2}  }{(1 +  \cos( \alpha) ) \sin( \alpha )  }  \\  \\⇒  \frac{2 +  2 \cos( \alpha ) }{(1 +  \cos( \alpha )) \sin( \alpha )  } \\ \\ ⇒ \frac{2(1 +  \cos( \alpha )) }{(1 +  \cos( \alpha )) \sin( \alpha )  } \\ \\ ⇒ \frac{2}{ \sin( \alpha ) } \\  \\ ⇒ 2 \csc( \alpha )

RHS

Hence proved

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Hope it helps!!

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