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OpenStudy (anonymous):
help with finding the identities
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OpenStudy (isaiah.feynman):
What identities?
OpenStudy (anonymous):
like csc^2x-1=cot^2x
OpenStudy (isaiah.feynman):
Are you required to prove them?
OpenStudy (anonymous):
no it asks for true and false
OpenStudy (isaiah.feynman):
In this case its false.
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OpenStudy (anonymous):
okay how do you know if its false or true
OpenStudy (isaiah.feynman):
You know by proving it.
OpenStudy (anonymous):
ii don't know how to do that. Can you explain how to prove this type of equation
OpenStudy (isaiah.feynman):
You simply manipulate the left side, express in terms of sine and cosine.
OpenStudy (anonymous):
2cscx-1=2cotx
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OpenStudy (isaiah.feynman):
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