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OpenStudy (kaylala):
proving identities: sin (sin+cot) = 1+cos-cos^2
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OpenStudy (callisto):
Distribute the left side.
OpenStudy (kaylala):
sin^2+sincot
OpenStudy (callisto):
Simplify sincot
OpenStudy (kaylala):
okay. wait i'll try
OpenStudy (kaylala):
oh got it. thanks again
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OpenStudy (callisto):
Welcome :)
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