Mathematics
Senior High

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θ=30° になったのですがなぜ

θ=30°,150°ではないんですか?

- 2510°≦180° のとき,次の等式を満たす0を求めよ。 -(1) 2sin0-1=0 X (2) √2 cos0+1=0 (3) 3tan0=√3 ON de OL 1.2 D 2

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