How do I prove this trigonometric identity?

cos^2beta/(1-sinbeta)=1+sinbeta

1 Answer
Apr 28, 2018

cos^2beta/(1-sinbeta)=1+sinbeta

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Multiply and divide by 1+sinbeta

=>(cos^2beta(1+sinbeta))/((1-sinbeta)(1+sinbeta))

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=>(cos^2beta(1+sinbeta))/(1-sin^2beta)

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=>(cancelcos^2beta(1+sinbeta))/cancel(cos^2beta
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->1+sinbeta