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Problemi Simili mit-Tiftix tal-Web

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a\cos(\frac{2\pi }{3})-\frac{1}{3}\left(-1\right)
Ikseb il-valur ta’ \cos(\pi ) mit-tabella tal-valuri trigonometriċi.
a\cos(\frac{2\pi }{3})-\left(-\frac{1}{3}\right)
Immultiplika \frac{1}{3} u -1 biex tikseb -\frac{1}{3}.
a\cos(\frac{2\pi }{3})+\frac{1}{3}
L-oppost ta' -\frac{1}{3} huwa \frac{1}{3}.
\frac{3a\cos(\frac{2\pi }{3})-\cos(\pi )}{3}
Iffattura 'l barra \frac{1}{3}.