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If the primitive of f(x) = (1)/(3 sin x ...

If the primitive of f(x) = `(1)/(3 sin x + sin^(3) x)` is equal to `f(x) = (1)/(3sinx+sinx)` is equal to `(1)/(6)log|(t-1)/(t+1)|+(1)/(12)log|(2+t)/(2-t)|+C` them

A

t = cos x

B

t = tan x/2

C

t = 2 cos x

D

t = sin x

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The correct Answer is:
A
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MCGROW HILL PUBLICATION-INDEFINITE INTEGRATION-SOLVED EXAMPLE ( LEVEL 1 ( SINGLE CORRECT ANSWER TYPE QUESTION ))
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