SOLUTION: Draw, on the same diagram, the graphs of y =4sin2x and y =2cosx-1 for 0° ≤ x ≤ 360°. How many solutions are there in this interval such that 4sin2x+1=2cosx?

SOLUTION: Draw, on the same diagram, the graphs of y =4sin2x and y =2cosx-1 for 0° ≤ x ≤ 360°. How many solutions are there in this interval such that 4sin2x+1=2cosx?

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Question 1190472: Draw, on the same diagram, the graphs of y =4sin2x and y =2cosx-1 for 0° ≤ x ≤ 360°. How many
solutions are there in this interval such that 4sin2x+1=2cosx?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
4sin2x+1=2cosx
=====================
Is it 4sin(2x) + 1 ?
Or 4sin(2x + 1) ?
Or something else?
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