1.

is equal toA. tan x+ cot x + CB. tan x+ cosec x + CC. − tan x+ cot x + CD. tan x+ sec x + C

Answer»


is equal to



A. tan x
+ cot x + C



B. tan x
+ cosec x + C



C. − tan x
+ cot x + C



D. tan x
+ sec x + C



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