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OpenStudy (pottersheep):
Please help me with Trig identities Grade 12.... I am soo lost @@ Using double angle formulas, write this as a single trigonomic function: cos^2x - sin^2 x
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OpenStudy (anonymous):
Do you know the double angle formulas?
OpenStudy (pottersheep):
Yep I found out thanks
OpenStudy (anonymous):
Ok, so you should be able to answer your question.
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