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Sum number 26. Don't spam.

Answer»

Step-by-step EXPLANATION:

THEREFORE

\frac{\cot( \alpha )  +  \csc( \alpha ) - 1 }{ \cot( \alpha ) -  \csc( \alpha ) + 1  }  =  \frac{1 +  \cos( \alpha ) }{ \sin( \alpha ) }



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