Mathematics · 2019
JEE Main · 8 April 2019, Shift 1 · Q74
∫ (sin (5 x)/2)/(sin x/2) d x is equal to: (where c is a constant of integration.)
$$\begin{aligned}
& \int \frac{\sin \dfrac{5 x}{2}}{\sin \dfrac{x}{2}} \mathrm{~d} x \text { is equal to : } \\
& \text { (where } c \text { is a constant of integration.) }
\end{aligned}
$$
Official answer
(1)
$\displaystyle x+2 \sin x+\sin 2 x+c$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.