Find the derivative. 5) y -2. 9 sec x A) y'- 9 wec x tan x B) y'-9 tan?x C)y'--9 D) y' =-9 sec x tan x 9 cse 6) y = (cse x + cot x)(csc x - cot x) A) y'=0 C) y'=- csC x cot x B) y' = 1 D) y'=- csc² x
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