December 2018 2 23 Report
Oblicz: (proszę o rozpisanie tego)
a) sin^{2}120^{o}+cos^{2}150^{o}=
b)  \frac{cos120^{o}}{sin^{2}330^{o}}+ \frac{tg150^{o}}{tg210^{o}}=
c) cos330^{o}+tg120^{o}*tg330^{o}=
d)  \frac{cos^{2}150^{o}*tg210^{o}*tg135^{o}}{sin^{2}150^{o}+cos^{2}210^{o}}=

Wyniki jakie mają wyjść:
a)  \frac{3}{2}
b) -3
c) 1+ \frac{ \sqrt{3} }{2}
d) - \frac{ \sqrt{3} }{4}

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