Mark M. answered • 04/21/21
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1 - cos2 x = 2 + 2 cos x
Set equal to zero.
Factor
Use Zero Product Rule to solve.
Milan N.
asked • 04/21/21Find all solutions of the equation in the interval [0,2pi).
Find all solutions of the equation in the interval [0,2pi).
sin2x=2+2cosx
Write your answer in radians in terms of pi. If there is more than one solution, separate them with commas.
x=
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