Jika a-b=sin theta dan akar(2 a b)=cos theta , maka

Saluran Edukasion 2024-04-04T05:22:00

Jika a-b=sin theta dan akar(2 a b)=cos theta , maka (a+b)^(2)=.. (A) (1)/(2)(1+cos 2 theta) (B) (1)/(2)(2+cos 2 theta) (C) (1)/(2)(3+cos 2 theta) (D) (1)/(2)(1+2 cos 2 theta) (E) (1)/(2)(1+3 cos 2 theta)
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