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Which of the following is an identity? sin2x - cos2x = 1 csc2x + cot2x = 1 (cscx + cotx)2 = 1 sin2x sec2x + 1 = cot2x csc2x

Trigonometry
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the 2 is squared
do you mean all the 2 represent square??
yes

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Other answers:

I think (cscx + cotx)^2 =1 is the answer but I am not sure
oh okay.......i am also solving it to see what i would get..
It is okay if you don't know the answer

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