Selasa, 22 Februari 2011

Perbandingan trigonometri dan fungsi trigonometri | matematika

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Perbandingan trigonometri dan fungsi trigonometri

Rumus-rumus trigonometri untuk sudut 0-360° untuk
Kuadran I
Sin (90°-) = cos 
Cos (90°-) = sin 
Tan (90°-) = cot 

Kuadran II
Sin (180°-) = sin 
Cos (180°-) = -cos 
Tan (180°-) = -tan 
Sin (90°+) = cos 
Cos (90°+) = -sin 
Tan (90°+) = -cot 

Kuadran III
Sin (180°+) = -sin 
Cos (180°+) = -cos 
Tan (180°+) = tan 
Sin (270°-) = -cos 
Cos (270°-) = -sin 
Tan (270°-) = cot 

Kuadran IV
Sin (270°+) = -cos 
Cos (270°+) = sin 
Tan (270°+) = -cot 
Sin (360°-) = -sin 
Cos (360°-) = cos 
Tan (360°-) = -tan 

Sumber :
Hanum, Musyri'ah. 2007. Rumus-Rumus Praktis Untuk Kelas 1, 2, 3 SMU. Yogyakarta: Absolut

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