Mathematics
Undergraduate
途中式お願いします。
[27] ABCにおいて、 次の問いに答えよ.
(1)a=3,b=5, C = 60° のとき, c を求めよ。
(3)a=4,b='v21,c=5のとき, B を求めよ.
(2) b=1,c=5,A=135°のとき, a を求めよ.
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