Jika a=(pi)/(12) , maka.... (A) sin ^(4) a+cos ^(4)

Saluran Edukasion 2024-06-18T02:29:08

Jika a=(pi)/(12) , maka.... (A) sin ^(4) a+cos ^(4) a=(7)/(8) (B) sin ^(6) a+cos ^(6) a=(11)/(16) (C) cos ^(4) a=(7)/(16)-(1)/(4) akar(3) (D) sin ^(4) a=(3)/(8)-(1)/(2) akar(3)
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