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Home > PC > Chapter 6 > Lesson 6.3.2 > Problem 6-129

6-129.

Solve the following equations for on .  

  1.  

    1. Substitute using the Double-Angle Formula.
    2. Set each factor equal to and solve.

  1.  

    1. Set the equation equal to .
    2. Factor.
    3. Set the factors equal to and solve.
    4. Note the domain.

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