Page 94 - Math SL HB Sem 1
P. 94
\
CIRCULAR FUNCTIONS AND TIUGONOMIi,TRY
Example l: Use a unit circle to find the exact values ol sina and cosa
^ : 3tt
lor ct
4
I
Example 2: Use a unit circle diagram to find all angles in ll,2rrlwirh a cosine of
it 5tr
Example 3: Without using a calculator, find the valuc of 8sin( )cos( )
-) 6
4- l0
