Mathematics
Senior High
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これの(2)を教えてください🙇♀️
2枚目は自分で解いたものです!なんで違うのでしょうか??
*242 0°S0S180°のとき, 次の等式を満たす@を求めよ。
3
数p.135 例7, p1
1
(1) sin0=
2
(2) cos0= -
2
(3) tan0=-1
le-
0- 130°
2
130
60°
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ありがとうございます!