r=tanθ

$$r = \tan \theta$$

r üçün həll et

$$r=\tan(\theta )$$

$$\nexists n_{1}\in \mathrm{Z}\text{ : }\theta =\pi n_{1}+\frac{\pi }{2}$$

θ üçün həll et

$$\theta =\pi +2n_{3}\pi +arcSin(r\left(r^{2}+1\right)^{-\frac{1}{2}})\text{, }n_{3}\in \mathrm{Z}\text{, }\exists n_{42}\in \mathrm{Z}\text{ : }\left(n_{3}>\left(-\frac{1}{2}\right)\left(\frac{1}{2}\pi +\left(-1\right)\pi n_{42}+arcSin(r\left(r^{2}+1\right)^{-\frac{1}{2}})\right)\pi ^{-1}\text{ and }n_{3}<\left(-\frac{1}{2}\right)\left(\left(-\frac{1}{2}\right)\pi +\left(-1\right)\pi n_{42}+arcSin(r\left(r^{2}+1\right)^{-\frac{1}{2}})\right)\pi ^{-1}\right)\text{ and }\nexists n_{1}\in \mathrm{Z}\text{ : }\pi +2n_{3}\pi +arcSin(r\left(r^{2}+1\right)^{-\frac{1}{2}})=\frac{1}{2}\pi +\pi n_{1}$$

$$\theta =arcSin(r\left(r^{2}+1\right)^{-\frac{1}{2}})+2\pi n_{22}\text{, }n_{22}\in \mathrm{Z}\text{, }\exists n_{42}\in \mathrm{Z}\text{ : }\left(n_{22}>\left(-1\right)\left(\left(arcSin(r\left(r^{2}+1\right)^{-\frac{1}{2}})+\left(-\frac{1}{2}\right)\pi \left(1+2n_{42}\right)\right)\times \left(2\pi \right)^{-1}\right)\text{ and }arcSin(r\left(r^{2}+1\right)^{-\frac{1}{2}})+2\pi n_{22}<\pi \left(n_{42}+\frac{3}{2}\right)\right)\text{ and }\nexists n_{1}\in \mathrm{Z}\text{ : }arcSin(r\left(r^{2}+1\right)^{-\frac{1}{2}})+2\pi n_{22}=\frac{1}{2}\pi +\pi n_{1}$$