anonymous
  • anonymous
Prove equation is an identity: csc(x)-sin(x)/csc(x) = cos^2(x)
Trigonometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Should I substitute 1/sin(x) for csc? I'm not sure on how to simplify that and get 1-sin^2(x) so it equals cos^2(x)
anonymous
  • anonymous
yes you should
anonymous
  • anonymous
\[\frac{ 1 }{ \sin (x) } - \sin (x)\div \frac{ 1 }{ \sin(x) } = \frac{1-\sin ^{2} }{ \sin (x)} \]

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anonymous
  • anonymous
Hold on.
anonymous
  • anonymous
How do you get rid of the other sin(x)?
anonymous
  • anonymous
anonymous
  • anonymous
Do you understand?
anonymous
  • anonymous
Yes, thank you
anonymous
  • anonymous
you're welcome! :) can you try looking at my ?
anonymous
  • anonymous
yep

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