If cos x = 1/3, what is cos 2x? | StemPy Lab

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If cos x = 1/3, what is cos 2x? | StemPy Lab

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If cos x = 1/3, what is cos 2x?

MathematicsMediumHigh School (11–12)Trigonometry › Compound and Multiple Angles Trigonometry › Trigonometric Identities

Created by StemPy Lab

If $\cos x = \dfrac{1}{3}$ , what is $\cos 2x$ ?

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More onTrigonometry › Compound and Multiple Angles Trigonometry › Trigonometric Identities

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