[tex] \sin(2x - \frac{\pi}{4} ) = \frac{1}{2} [/tex]
[tex] \cos( \frac{x}{3 } - \frac{\pi}{6} ) = \frac{ \sqrt{2} }{2} [/tex]
[tex] \tan(x + \frac{\pi}{3} ) = \frac{1}{ \sqrt{3} } [/tex]
решите пожалуйста!!!!​