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JEE PYQ: Definite Integration Question 28

Question 28 - 2020 (04 Sep Shift 2)

The integral $\int_{\pi/6}^{\pi/3} \tan^3 x \cdot \sin^2 3x(2\sec^2 x \cdot \sin^2 3x + 3\tan x \cdot \sin 6x),dx$ is equal to:

(1) $\dfrac{7}{18}$

(2) $-\dfrac{1}{9}$

(3) $-\dfrac{1}{18}$

(4) $\dfrac{9}{2}$

Show Answer

Answer: (3)


Learning Progress: Step 28 of 51 in this series