SOLUTION: Solve the equation for theta by writing the sum of the two cosines as a product. Equation: cos(2theta) + cos(theta) = 0

Question 1088743: Solve the equation for theta by writing the sum of the two cosines as a product.
Equation: cos(2theta) + cos(theta) = 0
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

So then,

and
and

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