1.The value of 2sin−1(12)+cot−1(13)2 \sin^{-1} \left( \frac{1}{2} \right) + \cot^{-1} \left( \frac{1}{\sqrt{3}} \right)2sin−1(21)+cot−1(31) isa.π4\frac{\pi}{4}4πb.π3\frac{\pi}{3}3πc.π6\frac{\pi}{6}6πd.2π3\frac{2\pi}{3}32πLogin to continueOnly logged in users canattempt or see the solution.