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OpenStudy (anonymous):
Which of the following is not an identity?
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OpenStudy (anonymous):
A
OpenStudy (anonymous):
B. (cosx + sinx)2 = 1 + 2cosx sinx
OpenStudy (anonymous):
C. (tanx + cotx)2 = csc2 x + sec2 x D. tan2x = sec2x - sin2x - cos2x
OpenStudy (anonymous):
@timo86m
OpenStudy (anonymous):
you can graph each one. and see if the graph lies right on top of eachother.
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OpenStudy (anonymous):
what do you mean lies right on top of each other?
OpenStudy (anonymous):
i already graphed all of m answers now what do i look for?
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