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OpenStudy (anonymous):
Rewrite the following equation with only sinx and cosx. sin2x-cosx
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OpenStudy (ajprincess):
use sin2x=2sinxcosx here too:)
OpenStudy (anonymous):
So (2sinxcosx)- cosx
OpenStudy (anonymous):
And then?
OpenStudy (ajprincess):
u can factor out cosx.:)
OpenStudy (anonymous):
Ok got it thanks so much :)
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OpenStudy (ajprincess):
welcome:)
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