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Clearnote
Q&A
Senior High
Mathematics
求解🙏
Mathematics
Senior High
5 daysago
我是訪客
求解🙏
(11,在坐標平面上,點O為原點,點P在第二象限,且OP=5,若已知tan 正向與OP的夾角,則P點坐標為 。 =-- , 為x軸 2 22.
100 14. Σ sin² ko Σsi k=1
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