felicia888
Prove equation is an identity: csc(x)sin(x)/csc(x) = cos^2(x)



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felicia888
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Should I substitute 1/sin(x) for csc? I'm not sure on how to simplify that and get 1sin^2(x) so it equals cos^2(x)

natasha.aries
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yes you should

felicia888
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\[\frac{ 1 }{ \sin (x) }  \sin (x)\div \frac{ 1 }{ \sin(x) } = \frac{1\sin ^{2} }{ \sin (x)} \]

natasha.aries
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Hold on.

felicia888
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How do you get rid of the other sin(x)?

natasha.aries
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natasha.aries
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Do you understand?

felicia888
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Yes, thank you

natasha.aries
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you're welcome! :) can you try looking at my ?

felicia888
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yep