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Tushara
 2 years ago
Best ResponseYou've already chosen the best response.0r u missing any brackets?

ZeHanz
 2 years ago
Best ResponseYou've already chosen the best response.1It should be:\[\frac{ 1 }{ \csc \theta  \cot \theta }=\frac{ 1+\cos \theta }{ \sin \theta }\]Let's begin at the left hand side:\[\frac{ 1 }{ \csc \theta  \cot \theta }=\frac{ 1 }{ \frac{ 1 }{ \sin \theta }\frac{ \cos \theta }{ \sin \theta } }=\frac{ 1 }{ \frac{ 1\cos \theta }{ \sin \theta } }=\frac{ \sin \theta }{ 1 \cos \theta }\]This looks much better, although it is not quite the right hand side yet... Hint: multiply numerator and denominator of the last fraction with (1+cosθ)/(1+cosθ):\[\frac{ \sin θ }{ 1\cos θ } \cdot \frac{ 1+\cos θ }{ 1+\cos θ }= ...\]After just a few small steps, you'll have got to the right hand side of the identity!
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