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Trigonometry
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OpenStudy (anonymous):
Which of the following is an identity? sin2x - cos2x = 1 csc2x + cot2x = 1 (cscx + cotx)2 = 1 sin2x sec2x + 1 = cot2x csc2x
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OpenStudy (anonymous):
the 2 is squared
OpenStudy (anonymous):
do you mean all the 2 represent square??
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
I think (cscx + cotx)^2 =1 is the answer but I am not sure
OpenStudy (anonymous):
oh okay.......i am also solving it to see what i would get..
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OpenStudy (anonymous):
It is okay if you don't know the answer
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