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OpenStudy (anonymous):
help with proof I'm stuck at this point. image link -http://imgur.com/pyjXEqv
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OpenStudy (perl):
did you try ..
OpenStudy (perl):
changing to sin and cos
OpenStudy (anonymous):
how so?
OpenStudy (anonymous):
@ganeshie8 please?
ganeshie8 (ganeshie8):
combine the fractions
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OpenStudy (anonymous):
If you multiply the top and bottom of the fraction by (cosx)^2, you end up with the double angle formula on the left and double angle on the right
OpenStudy (anonymous):
working @ArkGoLucky ....
OpenStudy (anonymous):
these dang online programs aren't forgiving at all i can't seem to figure it out i have the answers
OpenStudy (anonymous):
got it thanks these things are finicky peace
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