![trigonometry - These two methods of solving the $\tan(2\theta + \frac{\pi}{4})$ ,which one is correct? - Mathematics Stack Exchange trigonometry - These two methods of solving the $\tan(2\theta + \frac{\pi}{4})$ ,which one is correct? - Mathematics Stack Exchange](https://i.stack.imgur.com/by78L.jpg)
trigonometry - These two methods of solving the $\tan(2\theta + \frac{\pi}{4})$ ,which one is correct? - Mathematics Stack Exchange
Prove that tan(π/4 + θ) - tan(π/4 - θ) = 2tan 2θ. - Sarthaks eConnect | Largest Online Education Community
If tan (π/4 + y/2) = tan^3(π/4 + x/2), prove that - Sarthaks eConnect | Largest Online Education Community
![दिखाइए की ` (tan ((pi)/(4) +A) +tan ((pi)/(4) -A) )/( tan ((pi)/(4)+A) -tan ( (pi)/(4) -A) ) =cosec - YouTube दिखाइए की ` (tan ((pi)/(4) +A) +tan ((pi)/(4) -A) )/( tan ((pi)/(4)+A) -tan ( (pi)/(4) -A) ) =cosec - YouTube](https://i.ytimg.com/vi/sRnt33J_WhY/maxresdefault.jpg)