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OpenStudy (anonymous):
cot^2-tan^2x=1 for all values of x A.True B.False
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OpenStudy (anonymous):
im on it
OpenStudy (anonymous):
i think its false
OpenStudy (anonymous):
x=0.3943(+or-)2piN, -0.3943(+or-)2piN
OpenStudy (anonymous):
thank you!
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