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Dacă sin E =32\sin\ E\ =\frac{\sqrt{3}}{2}sin E =23 atunci m(∠E) =.... °m\left(\angle E\right)\ = (a) \ \degreem(∠E) =.... °
Dacă cos E =22\cos\ E\ =\frac{\sqrt{2}}{2}cos E =22 atunci m(∠E) =.... °m\left(\angle E\right)\ = (a) \ \degreem(∠E) =.... °
Dacă ctg E =1\operatorname{ctg}\ E\ =1ctg E =1 atunci m(∠E) =.... °m\left(\angle E\right)\ = (a) \ \degreem(∠E) =.... °
Dacă tg E =3tg\ E\ =\sqrt{3}tg E =3 atunci m(∠E) =.... °m\left(\angle E\right)\ = (a) \ \degreem(∠E) =.... °
ΔABC dr. ı^n A, sinB=45,\Delta ABC\ dr.\ în\ A,\ \sin B=\frac{4}{5},ΔABC dr. ı^n A, sinB=54, AC=12cm, atunci BC= (a) cm
ΔABC dr. ı^n A, cosB=35,\Delta ABC\ dr.\ în\ A,\ \cos B=\frac{3}{5},ΔABC dr. ı^n A, cosB=53, BC=10cm, atunci AB = (a) cm
ΔABC dr. ı^n A, ctgC=43,\Delta ABC\ dr.\ în\ A,\ \operatorname{ctg}C=\frac{4}{3},ΔABC dr. ı^n A, ctgC=34, dacă AC=16cm, atunci AB= (a) cm
ΔABC dr. ı^n A, tgC=52,\Delta ABC\ dr.\ în\ A,\ tgC=\frac{5}{2},ΔABC dr. ı^n A, tgC=25, dacă AC=6cm, atunci AB= (a) cm
ΔABC\Delta ABCΔABC echilateral AD⊥BC, D∈BC, AD=23 cm,AD\perp BC,\ D\in BC,\ AD=2\sqrt{3}\ cm,AD⊥BC, D∈BC, AD=23 cm, atunci perimetrul triunghiului = (a) cm
ΔABC\Delta ABCΔABC oarecare, AD⊥BC, D∈BC, AD=43 cm.AD\perp BC,\ D\in BC,\ AD=4\sqrt{3}\ cm.AD⊥BC, D∈BC, AD=43 cm. Daca˘ m(∠B)=60° și m(∠C)=45°,Dacă\ m\left(\angle B\right)=60\degree\ și\ m\left(\angle C\right)=45\degree,Daca˘ m(∠B)=60° și m(∠C)=45°, atunci BC =.....cm
4+434+4\sqrt{3}4+43
12+4312+4\sqrt{3}12+43
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