Example 2: Solve a Trig Equation Using a Double Angle Identity

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This tutorial provides an example of solving a trig equation that requires the use of a double angle identity.
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  2. solve
  3. trig
  4. trigonometric
  5. equation
  6. double
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what if there is a coefficient in front of sin(2x)? I have a problem here that is 8sin(2x)+2sin(x)=0. would I just divide by 8 then apply the formula? thanks.

carolyns