buktikan bahwa 3cos^2X = 3-3sin^2X
Matematika
Venny97
Pertanyaan
buktikan bahwa 3cos^2X = 3-3sin^2X
1 Jawaban
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1. Jawaban fadillahnasti
[tex] {cos}^{2} x = 1 - sin ^{2}x \\ maka \: 3cos^{2}x = 3(1 - sin^{2}x) = 3 - 3sin^{2}x[/tex]