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OpenStudy (anonymous):
what is x when 3sinx-4sinx=2
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OpenStudy (nincompoop):
think of 3x - 4x = 2 -x = 2 right? similarly -sin(x) = 2
OpenStudy (anonymous):
I miswritten it, what I meant was 3sinx-4cosx=2
OpenStudy (anonymous):
how do I express 4cosx in terms of sinx or should I express 3sinx in terms of cosx?
OpenStudy (anonymous):
What identity?
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