Sin 180° + 2 cos 108° + 3 sin 270° + 4cos 270° - 5sec 180° - 6 sec 270° =
Matematika
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Pertanyaan
Sin 180° + 2 cos 108° + 3 sin 270° + 4cos 270° - 5sec 180° - 6 sec 270° =
1 Jawaban
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1. Jawaban Electyrion
itu cos 180 ya bukan 108
0 + 2(-1) + 3(-1) + 4(0) - 5(-1) - 6(T.D)
= -2 -3 +5
= -5+5
= 0 (nol)