SOLUTION: Solve the equation 2 times sine of theta times cosine of theta + cosine of theta = 0 fortheta greater than or equal to 0 but less than 2 pi..

Question 944545: Solve the equation 2 times sine of theta times cosine of theta + cosine of theta = 0 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 2 times sine of theta times cosine of theta + cosine of theta = 0 fortheta greater than or equal to 0 but less than 2 pi
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2sixcosx+cosx=0
cosx(2sinx+1)=0
cosx=0
x=π/2, 3π/2
..
2sinx+1=0
sinx=-1/2
x=7π/6, 11π/6
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