ແກ້ສຳລັບ A
A=\pi n_{3}+\frac{\pi -2B}{2}
n_{3}\in \mathrm{Z}
\exists n_{1}\in \mathrm{Z}\text{ : }\left(B>-\pi n_{1}+\pi n_{3}-\pi \text{ and }B<\pi n_{3}-\pi n_{1}\right)
\exists n_{2}\in \mathrm{Z}\text{ : }\left(B>\pi n_{2}\text{ and }B<\pi n_{2}+\frac{\pi }{2}\right)
ແກ້ສຳລັບ B
B=\pi n_{3}+\frac{\pi -2A}{2}
n_{3}\in \mathrm{Z}
\exists n_{1}\in \mathrm{Z}\text{ : }\left(A>-\pi n_{1}+\pi n_{3}-\pi \text{ and }A<\pi n_{3}-\pi n_{1}\right)
\exists n_{2}\in \mathrm{Z}\text{ : }\left(A>\pi n_{2}\text{ and }A<\pi n_{2}+\frac{\pi }{2}\right)
ແບ່ງປັນ
ສໍາເນົາຄລິບ
ຕົວຢ່າງ
ສະສົມQuadratic
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
ສະສົມເສັ້ນ
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
ສະສົມພ້ອມກັນ
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
ຄວາມແຕກແຍກ
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
ການຮວມ
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
ຂີດຈໍາກັດ
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}