If $y(\alpha)=\sqrt{2\left(\frac{\tan \alpha+\cot \alpha}{1+\tan ^2 \alpha}\right)+\frac{1}{\sin ^2 \alpha}}, \alpha \in\left(\frac{3 \pi}{4}, \pi\right)$ then $\frac{\mathrm{dy}}{\mathrm{d} \alpha}$ at $\alpha=\frac{5 \pi}{6}$ is
Hello 👋 Welcome to Competishun – India’s most trusted platform for JEE & NEET preparation. Need help with JEE / NEET courses, fees, batches, test series or free study material? Chat with us now 👇
