Properties of the Trigonometric function
Propertiesof the Trigonometric function
*Review:do a quick practice by group
l North groupfinish following question:
(1)Give six trigonometric function of angle a, if a is in the circlewith radius r.
(2)Give period of sin a
(3)Give domain of sin a:
lsouth group finish following question:
(1)Give rang of sin a tan a;
(2)Give period of tan a and cot a ;
(3)List signs of sin cos tan cot if a is in quadrant II.
*Content-the key knowledge:
lfundamental identities
lfind exact value of trigonometric function.