![trigonometry - What is the derivative of $y=\sqrt{\frac {1- \sin(x)}{1+\ sin(x)}}$ - Mathematics Stack Exchange trigonometry - What is the derivative of $y=\sqrt{\frac {1- \sin(x)}{1+\ sin(x)}}$ - Mathematics Stack Exchange](https://i.stack.imgur.com/4rXY2.jpg)
trigonometry - What is the derivative of $y=\sqrt{\frac {1- \sin(x)}{1+\ sin(x)}}$ - Mathematics Stack Exchange
![trigonometry - About proof: $\cot^{-1}\left(\frac{\sqrt{1+\sin x}+\sqrt{1-\sin x}}{\sqrt{1+\sin x}-\sqrt{1-\sin x}}\right)=\frac x2$ - Mathematics Stack Exchange trigonometry - About proof: $\cot^{-1}\left(\frac{\sqrt{1+\sin x}+\sqrt{1-\sin x}}{\sqrt{1+\sin x}-\sqrt{1-\sin x}}\right)=\frac x2$ - Mathematics Stack Exchange](https://i.stack.imgur.com/mvs0I.jpg)
trigonometry - About proof: $\cot^{-1}\left(\frac{\sqrt{1+\sin x}+\sqrt{1-\sin x}}{\sqrt{1+\sin x}-\sqrt{1-\sin x}}\right)=\frac x2$ - Mathematics Stack Exchange
![Graph of y 1 = sin(x) and y 2 = x 3π . Fig. 6 shows the solutions of... | Download Scientific Diagram Graph of y 1 = sin(x) and y 2 = x 3π . Fig. 6 shows the solutions of... | Download Scientific Diagram](https://www.researchgate.net/publication/317177752/figure/fig1/AS:498847701848064@1495945968558/Graph-of-y-1-sinx-and-y-2-x-3p-Fig-6-shows-the-solutions-of-equation-sinx-x.png)