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Mathematics 22 Online
OpenStudy (lindsey11x16):

how does cot^2x - csc^2x match with -1 ?

OpenStudy (raden):

convert cot^2 x to cos^2 x/sin^2 x and csc^2 x = 1/sin^2 x

OpenStudy (lindsey11x16):

|dw:1355012096852:dw| like this?

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