Jika Sin (2x+25°) = Cos (x-10°) maka x=?
Matematika
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Pertanyaan
Jika Sin (2x+25°) = Cos (x-10°) maka x=?
1 Jawaban
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1. Jawaban arifsman12
sin (2x+25) = cos (100-x)
2x+25= 100 - x
3x = 100-25
3x =75
x =75/3 =25