How do you solve: sin(2θ) + sin(4θ) = 0 on the interval of [0 degrees, 360 degrees)
Last edited by topsquark; May 20th 2008 at 05:11 PM. Reason: Restored original question
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Hello, Originally Posted by stasis How do you solve: sin(2θ) + sin(4θ) = 0 on the interval of [0 degrees, 360 degrees) Write : Notice that Substitute : So you want to solve for y in Does it help ?
Originally Posted by stasis How do you solve: sin(2θ) + sin(4θ) = 0 on the interval of [0 degrees, 360 degrees) Note that . Thus, . Substituting this into the equation, we get: Thus we get two equations: . You can take it from here...
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