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Calculati : 4sin30° - 6cos60°+5tg45°
 Va rog Frumos :D


Răspuns :

sin 30=1/2
cos 60=1/2
tg45=1
deci 4.1/2-6.1/2+5.1=2-3+5=4
1)4*[tex] \frac{1}{2} [/tex]-6*[tex] \frac{1}{2} [/tex]+5*1=4