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4,5 - Geo - sin, cos, tan of 30 and 60deg
Author:
TK Maths
Click the boxes on the right one-by-one to see how to calculate sin, cos and tan of 30 and 60 degrees without a calculator.
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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
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