Mathematics
Senior High
⑶ で答えが
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
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1.2 D
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