2. Solving Trigonometric Equations Using Inverses
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Start by using the Zero Product Property. Then, draw the unit circle on the coordinate plane.
2π radians, π radians, 23π radians
To solve the given equation, we will first use the Zero Product Property to solve for cosθ. 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
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