Datrys ar gyfer x
x=\pi n_{1}+\frac{\pi }{2}
n_{1}\in \mathrm{Z}
y\neq 0
Datrys ar gyfer y
y\neq 0
\exists n_{1}\in \mathrm{Z}\text{ : }x=\pi n_{1}+\frac{\pi }{2}
Rhannu
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Enghreifftiau
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