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Clearnote
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Senior High
Mathematics
求!劃線的地方有點不懂
Mathematics
Senior High
4 monthsago
軒苡
求!劃線的地方有點不懂
5 (1)夾角=90°+30°+30°×(1-10)=142.5° ④mB .. 142.5° = 142.5× V21 = 1425元 = 19元 180 1800 240 (2)夾角=30°+6°×2+30°×(1-20)=61° T 61元 ∴61°=61×元 8180 = 95韻,X=24 18000+ QAV 元 Jane = 01
題5 (1) 10點15分的時針與分針夾角為 (2)2點22分的時針與分針夾角為 弧度。 弧度。
三角函數
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