Page 12 - dianMustika_ebookTrigonometri

Rumus Perbandingan Trigonometri

Sudut pada Kuadran III (180 + α)

a) sin (180 + α) = sin α

b) cos (180 + α) = cos α

c) tan (180 + α) = tan α

d) cot (180 + α) = cot α

e) sec (180 + α) = sec α

f) cosec (180 + α) = cosec α