Geometry
# Fundamental Trigonometric Identities

Which of the following is equal to \(3\cos(11\pi+x)?\)

Which of the following is equal to \(2\tan\left(x-\frac{5}{2}\pi\right)?\)

Which of the following is equal to \(\sin\left(\frac{39}{2}\pi+3x\right)?\)

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