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tan(2x)=cos(x/2) Solutions

1425ApprenticeTrigonometryCombinatoricsAlgebra

AMC 12A · 2020 · Problem 9

How many solutions does the equation $\tan{(2x)} = \cos{(\tfrac{x}{2})}$ have on the interval $[0, 2\pi]?$

Answer choices

A
1
B
2
C
3
D
4
E
5
0 students attempted0% solvedRating 1425

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