廣義角− 320°表示逆時鐘方向旋轉320°的角度。
高一補強教學單元11-12小考

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Mathematics
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10th Grade
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Hard
縣立田中高中林佳慧 縣立田中高中林佳慧
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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X
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若θ與θ '互為同界角,則θ −θ ' = 360° × n,n為整數。
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X
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
sin0° = 0,cos0° = 1,tan0° = 0。
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X
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
sin(180° −θ ) = sinθ,cos(180° −θ ) = cosθ。
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X
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
設三角形兩邊長為6,10,且夾角為120°,
則此三角形面積為 。
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6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
廣義角θ的終邊與單位圓的交點坐標為(sinθ ,cosθ )。
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X
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若sinθ > 0,cosθ < 0,則θ為第二象限角。
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X
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