SOLUTION: 2 siny=tany

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Question 805759: 2 siny=tany
Answer by fcabanski(1391) About Me  (Show Source):
You can put this solution on YOUR website!
tan(y) = sin(y)/cos(y)


2sin(y) = sin(y)/cos(y)


2sin(y)cos(y)=sin(y)


2cos(y) = sin(y)/sin(y) = 1


cos(y) = 1/2


y = pi/3 + 2pi*n and 5pi/3 + 2pi*n