How to solve the limit (without l´Hopital): [math]\displaystyle\lim_{x \to\frac{\pi}{3}}\frac{\sin(x-\frac{\pi}{3})}{1-2\cos(x)}[/math] - Quora
![Giải phương trình 1, sin(3x- π/6) -cos(2x+ π/3)=0 2,sin(2x+ π/3) +sin(x- π/4)=0 câu hỏi 1025812 - hoidap247.com Giải phương trình 1, sin(3x- π/6) -cos(2x+ π/3)=0 2,sin(2x+ π/3) +sin(x- π/4)=0 câu hỏi 1025812 - hoidap247.com](https://img.hoidap247.com/picture/answer/20200805/large_1596624443542.jpg)
Giải phương trình 1, sin(3x- π/6) -cos(2x+ π/3)=0 2,sin(2x+ π/3) +sin(x- π/4)=0 câu hỏi 1025812 - hoidap247.com
The number of solutions of the equation cos(x + π/3) cos(π/3 - x) - 1/4 cos^2 2x, x ∈ [-3π, 3π] is: - Sarthaks eConnect | Largest Online Education Community
![prove: cos x cos(pi/3-x)cos(pi/3+x)=1/4cos 3 x - Maths - Trigonometric Functions - 14545645 | Meritnation.com prove: cos x cos(pi/3-x)cos(pi/3+x)=1/4cos 3 x - Maths - Trigonometric Functions - 14545645 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_7ce0eec6fbe33ecb80cd1c6d5777d0ff.png)
prove: cos x cos(pi/3-x)cos(pi/3+x)=1/4cos 3 x - Maths - Trigonometric Functions - 14545645 | Meritnation.com
![trigonometry - How to find the general solution of $\tan \left(x+\frac{\pi }{3}\right)+3\tan \left(x-\frac{\pi }{6}\right)=0$ - Mathematics Stack Exchange trigonometry - How to find the general solution of $\tan \left(x+\frac{\pi }{3}\right)+3\tan \left(x-\frac{\pi }{6}\right)=0$ - Mathematics Stack Exchange](https://i.stack.imgur.com/rmlyI.jpg)