cos 5 × =1/2 akar2 .0 <×<360°
Matematika
rizkykahar99
Pertanyaan
cos 5 × =1/2 akar2 .0 <×<360°
1 Jawaban
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1. Jawaban EdFlash
cos 5x=cos 45
5x=45
x=9
cos5.9
cos 45