jee-main 2019 Q67

jee-main · India · session2_09apr_shift1 Standard trigonometric equations Solve trigonometric equation for solutions in an interval

Let $S = \left\{ \theta \in [ - 2 \pi , 2 \pi ] : 2 \cos ^ { 2 } \theta + 3 \sin \theta = 0 \right\}$. Then the sum of the elements of $S$ is:
(1) $\pi$
(2) $\frac { 13 \pi } { 6 }$
(3) $\frac { 5 \pi } { 3 }$
(4) $2 \pi$

Let $S = \left\{ \theta \in [ - 2 \pi , 2 \pi ] : 2 \cos ^ { 2 } \theta + 3 \sin \theta = 0 \right\}$. Then the sum of the elements of $S$ is:\\
(1) $\pi$\\
(2) $\frac { 13 \pi } { 6 }$\\
(3) $\frac { 5 \pi } { 3 }$\\
(4) $2 \pi$

Paper Questions

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