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1)cos60°-√6 cos30° sin45°+ctg30° tg150°-tg45°
2)sin [tex] \frac{ \pi }{6} [/tex] + √2 cos [tex] \frac{3 \pi }{4} [/tex] -√3 ctg [tex] \frac{ \pi }{3} [/tex]
1)cos60°-√6 cos30° sin45°+ctg30° tg150°-tg45°
2)sin [tex] \frac{ \pi }{6} [/tex] + √2 cos [tex] \frac{3 \pi }{4} [/tex] -√3 ctg [tex] \frac{ \pi }{3} [/tex]
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2)0.5-(root2)*(root2)/2-(root3)*(root3)/3=-1.5