Question: trigonometric identities (please show work) csc x cscx cscxl cscx+l A. B. 2 csc2x tan x C. D. 2 sec2 x cot2 x

trigonometric identities (please show work)

csc x cscx cscxl cscx+l A. B. 2 csc2x tan x C. D. 2 sec2 x cot2 x
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