Page 111 - Math SL HB Sem 1
P. 111
CIITCULAR T.'UNCTIONS AND TRIGONOMETRY
SOLUTION OF TRIGONOMETRIC
EQUATIONS IN A FINITE INTERVAL
A trigonon.retric equation is an equation involving one or more of the six basic
trigonometric lunctions.
Example l: Solve the equation 4sinx + 3 = 0 for_ t 3x3r
Example 2: Solve the equation 2cos x + 3 cosx _ :
2
2 0 for O<x<2r
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