Svar 4.4:8
Förberedande kurs i matematik 1
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(Ny sida: {| width="100%" cellspacing="10px" |a) |width="50%" | <math>\left\{\eqalign{ x&=\displaystyle \frac{\pi}{4}+2n\pi\cr x&=\displaystyle \frac{\pi}{2}+n\pi\cr x&=\displaystyle \frac{3\pi}{4}+2...)
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| a) | \displaystyle \left\{\eqalign{
x&=\displaystyle \frac{\pi}{4}+2n\pi\cr x&=\displaystyle \frac{\pi}{2}+n\pi\cr x&=\displaystyle \frac{3\pi}{4}+2n\pi }\right. | b) | \displaystyle x=\displaystyle \frac{\pi}{3}+n\pi |
| c) | \displaystyle \left\{\eqalign{
x&=n\pi\cr x&=\displaystyle \frac{3\pi}{4}+n\pi }\right. |
