sin (90o - αo) = cos αo
cot (90o - αo) = tan αo
cos (90o - αo) = sin αo
sec (90o - αo) = cosec αo
tan (90o - αo) = cot αo
cosec (90o - αo) = sec αo
Perbandingan Trigonometri Sudut (90o + αo)
sin (90o + αo) = cos αo
cot (90o + αo) = -tan αo
cos (90o + αo) = -sin αo
sec (90o + αo) = -cosec αo
tan (90o + αo) = -cot αo
cosec (90o + αo) = sec αo
Perbandingan Trigonometri Sudut (180o - αo)
sin (180o - αo) = sin αo
cot (180o - αo) = -cot αo
cos (180o - αo) = -cos αo
sec (180o - αo) = -sec αo
tan (180o - αo) = -tan αo
cosec (180o - αo) = cosec αo
Perbandingan Trigonometri Sudut (180o + αo)
sin (180o + αo) = -sin αo
cot (180o + αo) = cot αo
cos (180o + αo) = -cos αo
sec (180o + αo) = -sec αo
tan (180o + αo) = tan αo
cosec (180o + αo) = -cosec αo
Perbandingan Trigonometri Sudut (270o - αo)
sin (270o - αo) = -cos αo
cot (270o - αo) = tan αo
cos (270o - αo) = -sin αo
sec (270o - αo) = -cosec αo
tan (270o - αo) = cot αo
cosec (270o - αo) = -sec αo
Perbandingan Trigonometri Sudut (270o + αo)
sin (270o + αo) = -cos αo
cot (270o + αo) = -tan αo
cos (270o + αo) = sin αo
sec (270o + αo) = cosec αo
tan (270o + αo) = -cot αo
cosec (270o + αo) = -sec αo
Perbandingan Trigonometri Sudut (-αo)
sin (-αo) = -sin αo
cot (-αo) = -cot αo
cos (-αo) = cos αo
sec (-αo) = sec αo
tan (-αo) = -tan αo
cosec (-αo) = -cosec αo
Perbandingan Trigonometri Sudut (n . 360o - αo)
sin (n . 360o - αo) = -sin αo
cot (n . 360o - αo) = -cot αo
cos (n . 360o - αo) = cos αo
sec (n . 360o - αo) = sec αo
tan (n . 360o - αo) = -tan αo
cosec (n . 360o - αo) = -cosec αo
Perbandingan Trigonometri Sudut (n . 360o + αo)
sin (n . 360o + αo) = sin αo
cot (n . 360o + αo) = cot αo
cos (n . 360o + αo) = cos αo
sec (n . 360o + αo) = sec αo
tan (n . 360o + αo) = tan αo
cosec (n . 360o + αo) = cosec αo
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