已知△ABC为锐角三角形,内角A,B,C的对边分别为a,b,c,且acosB+bcosA=2ccosC.
(1)求角C;
(2)若c=2,求△ABC的周长的取值范围.
(1)求角C;
(2)若c=2,求△ABC的周长的取值范围.
更新时间:2023-01-15 22:54:07
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