Question

СРОЧНО, ПОМОГИТЕ РЕШИТЬ 3 УРАВНЕНИЕ!!

Answer 1

$sin\Big(\dfrac{\pi}{3}-\dfrac{x}{4}\Big)=1\\\\\\\dfrac{\pi}{3}-\dfrac{x}{4}=\dfrac{\pi}{2}+2\pi n\ ,\ n\in Z\\\\\\\dfrac{x}{4}=\dfrac{\pi}{3}-\dfrac{\pi}{2}-2\pi n\ ,\ n\in Z\\\\\\\dfrac{x}{4}=-\dfrac{\pi}{6}-2\pi n\ ,\ n\in Z\\\\\\x=-\dfrac{2\pi }{3}-8\pi n\ ,\ n\in Z$