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

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felicia888 Group TitleBest ResponseYou've already chosen the best response.0
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)
 2 years ago

natasha.aries Group TitleBest ResponseYou've already chosen the best response.1
yes you should
 2 years ago

felicia888 Group TitleBest ResponseYou've already chosen the best response.0
\[\frac{ 1 }{ \sin (x) }  \sin (x)\div \frac{ 1 }{ \sin(x) } = \frac{1\sin ^{2} }{ \sin (x)} \]
 2 years ago

natasha.aries Group TitleBest ResponseYou've already chosen the best response.1
Hold on.
 2 years ago

felicia888 Group TitleBest ResponseYou've already chosen the best response.0
How do you get rid of the other sin(x)?
 2 years ago

natasha.aries Group TitleBest ResponseYou've already chosen the best response.1
Do you understand?
 2 years ago

felicia888 Group TitleBest ResponseYou've already chosen the best response.0
Yes, thank you
 2 years ago

natasha.aries Group TitleBest ResponseYou've already chosen the best response.1
you're welcome! :) can you try looking at my ?
 2 years ago
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