What is the FUNCTION_MANY#periodicity of f(x)=cos((4x)/3) ?

The FUNCTION_MANY#periodicity of f(x)=cos((4x)/3) is (3pi)/2

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FUNCTION_MANY#periodicity of f(x)=cos((4x)/3)

periodicity

f (x) = cos (\frac{4 x}{3})

\frac{3 π}{2}

Decimal

4.71238 \dots

Solution steps

Periodicity of

a \cdot cos (b x + c) + d = \frac{periodicity of cos ( x )}{∣ b ∣}

Periodicity of

cos (x)

2 π

= \frac{2 π}{\frac{4}{3}}

Simplify

= \frac{3 π}{2}

What is the FUNCTION_MANY#periodicity of f(x)=cos((4x)/3) ?
The FUNCTION_MANY#periodicity of f(x)=cos((4x)/3) is (3pi)/2