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Hitunglah sin 3 0 ∘ cos 6 0 ∘ + sin 4 5 ∘ cos 4 5 ∘ !

Hitunglah  !

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L. Marlina

Master Teacher

Mahasiswa/Alumni Institut Teknologi Bandung

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nilainya adalah .

nilainya adalah begin mathsize 14px style 3 over 4 end style

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Jadi, nilainya adalah .

begin mathsize 14px style sin 30 degree cos 60 degree plus sin 45 degree cos 45 degree equals 1 half.1 half plus 1 half square root of 2.1 half square root of 2 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 1 fourth plus 1 fourth.2 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 1 fourth plus 1 half space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 3 over 4 end style 

Jadi, nilainya adalah begin mathsize 14px style 3 over 4 end style

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