The amplitude of the function y=3-2cos(3x+pi) is 2, its period is approximately 2.094 (or π/1.5), and the phase shift is approximately -1.047 (or -π/3). ;
The amplitude of the function is 2, the period is approximately 2.094 (or 3 2 π ), and the phase shift is approximately -1.047 (or − 3 π ).
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Oke, langsung ke inti:Asumsi beban konstan 1 kW (alias 1 kWh per jam)Energi per hari = 1 kW × 24 jam = 24 kWhEnergi sebulan (30 hari) = 24 kWh/hari × 30 hari = 720 kWhTarif listrik = Rp 900/kWhTotal biaya = 720 kWh × Rp 900/kWh = Rp 648.000,-Jadi, kalau kamu nyalain beban 1 kW terus-menerus selama 30 hari penuh, tagihannya sekitar Rp 648.000,-.