Page 97 - Math SL HB Sem 1
P. 97
CIRCULAR FUNCTIONS AND'I'IUGONo]VII'TIIY
(2) I(0)=cos9
cos 6
[" )
2,r o Ln 0
-1
The above graph of thc cosine function has the lollowing charactcristics
-l'hc
(a) It is continuous. domain is
(b) The rangc is
(c) (9): cos d isa periodio function with a period of ...._.....,.,
(d) The maximum value is ..... and the minimum value is ..,....
(e) The amplitude of thc cosine \.vave is
4-13
