Page 62 - modul trigonometri bilingual
P. 62
Graph of trigonometric function y = sin x
Y 1
( , )
6 2 √3
( , )
3 2
( , 1)
2 2 √3
( , )
3 2
y = sin x
X
The graph domain function y = f(x) = sin x above Df = [0,
2 ] and the yield area (range) is Rf = [-1, 1].
b. Drawing a Graph of Cosine Functions
Function graph y = cos x with domain 0 ≤ ≥ 2 .
2 3 5 4 3
x 0 2
6 4 3 2 3 4 6 3 2
√3 √2 1 1 √2 √3 1
y = cos x 1 0 − − − -1 − 0 1
2 2 2 2 2 2 2
29
