Page 4 - Dahlia Oktaviani Ginting Buku

I I

C. In a right triangle, the tangent of an angle is the ratio
between the length of the side opposite the angle and
the length of the side near the angle.


Angle tangent  is abbreviated tan
sisi di depan sudut
tan  = sisi di dekat sudut

From the picture above

a
=

tan
c


Angle tangent  is abbreviated tan
From the picture above
c
tan  =
a

D. In a right triangle, the cotangent of an angle is the ratio
between the length of the side near the angle and the
length of the side opposite the angle.

Angle tangent  is abbreviated cot
sisi di dekat sudut
cot  =
sisi di depan sudut
From the picture above

cot  = c
a
Angle tangent  is abbreviated cot

From the picture above
I cot  = a I
c