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JEE MATHEMATICS MCQ: INDEFINITE INTEGRATION

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The anti-derivative of f(x)=13  +  5  sin⁡  x  +  3  cos⁡  xf\left( x \right) = \frac{1}{{3\,\, + \,\,5\,\,\sin \,\,x\,\, + \,\,3\,\,\cos \,\,x}}, whose graph passes through the point (0,0)\left( {\mathrm{0, 0}} \right) is
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Correct option: B
15  (log⁡  ∣1  +  53  tan⁡  (x/2) ∣)\frac{1}{5}\,\,\left( {\log \,\,\left| {1\,\, + \,\,\frac{5}{3}\,\,\tan \,\,\left( {x/2} \right)\,} \right|} \right)
Option B (\frac{1}{5}\,\,\left( {\log \,\,\left| {1\,\, + \,\,\frac{5}{3}\,{{\tan }\,\,\left( {x/2} \right)\}} \right|} \right)\frac{1}{5}\,\,\left( {\log \,\,\left| {1\,\, + \,\,\frac{5}{3}\,{{\tan }\,\,\left( {x/2} \right)\}} \right|} \right)) is correct because it is the result of integrating the given expression using the tangent half-angle substitution and applying the initial condition.

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