cos 230° = cos (180°+50°) = cos ....
Matematika
jessica325
Pertanyaan
cos 230° = cos (180°+50°) = cos ....
1 Jawaban
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1. Jawaban sitijacoebm
Cos 230°= Cos (180°+50)
−0.6427= Cos 230°
−0.6427= −0.6427
= -1