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Mathematics, 26.10.2021 14:00 xoxokaydavis2638

Mọi người giúp em giải bài này với. giải tam giác ABC vuông tại A trong mỗi trường hợp sau:
a) b=4 cm; góc C = 62°
b) a=40 cm; góc B = 52°
c) c=42 cm; b=36 cm.

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Mọi người giúp em giải bài này với. giải tam giác ABC vuông tại A trong mỗi trường hợp sau:
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