Алгебра 10 класс, нужно решение 1 и 2 номера, даю много баллов. Created by nfokin20. algebra-ru

Алгебра 10 класс, нужно решение 1 и 2 номера, даю много баллов...

nfokin20 @nfokin20

August 2022 1 4 Report

Алгебра 10 класс, нужно решение 1 и 2 номера, даю много баллов

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arsenlevadniy

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$1. \\ 1) \ (-\frac{3\pi}{2};-\pi)\cup(-\frac{\pi}{2};0)\cup(\frac{\pi}{2};\pi); \\ 2) \ (-\pi;-\frac{\pi}{2})\cup(0;\frac{\pi}{2}); \\ 3) \ x\in\{-\pi, \ 0, \ \pi\}; \\ 4) \ x\in\{-\frac{3\pi}{2}, \ -\frac{\pi}{2}, \ \frac{\pi}{2}\}; \\ 5) \ (-\frac{5\pi}{4};-\frac{3\pi}{4})\cup(-\frac{\pi}{4};\frac{\pi}{4})\cup(\frac{3\pi}{4};\pi); \\ 6) \ (-\frac{3\pi}{2};-\frac{5\pi}{4})\cup(-\frac{3\pi}{4};-\frac{\pi}{4})\cup(\frac{\pi}{4};\frac{3\pi}{4}).$

$2. \ y=\cos(2x-\frac{\pi}{3})+1,5=\cos2(x-\frac{\pi}{6})+1,5, \\ 1) \ y=\cos x, \\ 2) \ y=\cos2x, \\ 3) \ y\leftarrow\frac{\pi}{6}, \ x\downarrow1,5$

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