SOLUTION: Solve the equation 4 times cosine of theta plus 1 = 2 times cosine of theta fortheta greater than or equal to 0 but less than 2 pi..
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Question 944548: Solve the equation 4 times cosine of theta plus 1 = 2 times cosine of theta fortheta greater than or equal to 0 but less than 2 pi.. Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! Solve the equation 4 times cosine of theta plus 1 = 2 times cosine of theta fortheta greater than or equal to 0 but less than 2 pi..
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4cosx+1=2cosx
2cosx+1=0
cosx=-1/2
x=5π/6, 11π/6
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