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Mathematics, 05.06.2020 18:00 gabriellaramir7786

Which of the following is an identity? O A. (1 - 2sin2x)csc?x= 4cos2x-2
B. sinx - cosx+1 = tang
C. sin?x cot2x + cos2xtan?x=1
D. tan2x + cotx=1
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Which of the following is an identity? O A. (1 - 2sin2x)csc?x= 4cos2x-2
B. sinx - cosx+1 = ta...

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