Jumat, 30 Oktober 2015

fungsi dasar trigonometri

Fungsi dasar:
sin A = \frac{a}{c}
cos A = \frac{b}{c}
tan A = \frac{sin A}{cos A} = \frac{a}{b}
cot A = \frac{1}{tan A} = \frac{cos A}{sin A} = \frac{b}{a}
sec A = \frac{1}{cos A} = \frac{c}{b}

csc A = \frac{1}{sin A} = \frac{c}{a}

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