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2/3ac

A. A. 1/3bc = x 1/3ac=y. 2/3ac. CPQ. משוואה א משפט הסינוסים משולש. Y^2+(2x)^2-2*2*x*y*sin(alfa)=PQ^2. Q. (3x)^2+(3y)^2-2*3y*3x*sin(alfa)=AB. 1/3ac. B. 1/3bc. P. C. AB/ ((3x)^2+(3y)^2-2*3y*3x). sin(alfa)=. 2/3bc. מכאן הדרך פשוטה מאוד הציבי את הבטוי במקום. במשוואה א. sin.

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2/3ac

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  1. A A 1/3bc = x 1/3ac=y 2/3ac CPQ משוואה א משפט הסינוסים משולש Y^2+(2x)^2-2*2*x*y*sin(alfa)=PQ^2 Q (3x)^2+(3y)^2-2*3y*3x*sin(alfa)=AB 1/3ac B 1/3bc P C AB/ ((3x)^2+(3y)^2-2*3y*3x) sin(alfa)= 2/3bc מכאן הדרך פשוטה מאוד הציבי את הבטוי במקום במשוואה א sin ותקבלי את הפתרון X Y הצבי במקום

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