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JEE MATHEMATICS MCQ: INDEFINITE INTEGRATION

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Analyzing +4 | -1
But for all arbitrary constants,
∫  1  +  sin⁡  θ  −  sin⁡2  θ  −  sin⁡3  θ2  sin⁡  θ  −  1  dθ  is equal to\int \,\,\sqrt {\frac{{1\,\, + \,\,\sin \,\,\theta \,\, - \,\,{{\sin }^2}\,\,\theta \,\, - \,\,{{\sin }^3}\,\,\theta }}{{2\,\,\sin \,\,\theta \,\, - \,\,1}}\,\,} d\theta \,\,\mathrm{is }\,\mathrm{equal }\,\mathrm{to}
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Correct option: A
12  sin⁡  θ  −  cos⁡  2 θ  +  34  2  log⁡e∣ (4  sin⁡  θ  +  1)  +  2  2  sin⁡  θ  −  cos⁡  2 \frac{1}{2}\,\,\sqrt {\sin \,\,\theta \,\, - \,\,\cos \,\,2\,\theta } \,\, + \,\,\frac{3}{{4\,\,\sqrt 2 }}\,\,{\log _e}\left| {\,\left( {4\,\,\sin \,\,\theta \,\, + \,\,1} \right)\,\, + \,\,2\,\,\sqrt 2 \,\,\sqrt {\sin \,\,\theta \,\, - \,\,\cos \,\,2\,}} \right.
Option A is correct because the integral simplifies to a form that can be solved using substitution and partial fractions, resulting in the given expression.

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