Page 111 - Math SL HB Sem 1
P. 111
CIRCULAR I.'U NC'TIONS AND TRIG0NOMETRY
SOLUTION OF TRIGONOMETRIC
EQUATIONS IN A FINITE INTERVAL
A trigonometric equation is an equation involving one or more ofthe six basic
trigonometric functions.
Example l: Solve the equation 4sinx +3 = 0lor- r <x< jr
-2:0
Example 2: Solve the equation 2cos2x + 3 cosx for 0<x<2tr
4-36
