SOLUTION: what is the phase shift and period of the following: y=-3sin(4x+pi/2)

Question 454237: what is the phase shift and period of the following:
y=-3sin(4x+pi/2)

Found 2 solutions by Alan3354, robertb:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Shift = -pi/2
Period = pi/8
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Phase shift is units to the left.
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