Ответ:
a=5.15 cм
∠B=80.8°
∠C=41.2°
Объяснение:
a=√(6²+4²-2*6*4*cos58°)=5.15 cм
a/sin∠A=5.15/sin58°=6.07
sin∠B=b/6.07=6/6.07=0.987 ⇒ ∠B=80.8°
sin∠C=c/6.07=4/6.07=0.659 ⇒ ∠B=41.2°
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Verified answer
Ответ:
a=5.15 cм
∠B=80.8°
∠C=41.2°
Объяснение:
a=√(6²+4²-2*6*4*cos58°)=5.15 cм
a/sin∠A=5.15/sin58°=6.07
sin∠B=b/6.07=6/6.07=0.987 ⇒ ∠B=80.8°
sin∠C=c/6.07=4/6.07=0.659 ⇒ ∠B=41.2°