2. Solving Trigonometric Equations Using Inverses
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Start by factoring the equation and using the Zero Product Property. Then, draw the unit circle on the coordinate plane.
0 radians, π radians, 67π radians, 611π radians
To solve the given equation, we will first factor it and use the Zero Product Property to solve for sinθ. Then we will use the unit circle to find the exact values of θ that satisfy the equation.
Use the Zero Product Property
(II): LHS−1=RHS−1
(II): LHS/2=RHS/2
(II): Put minus sign in front of fraction