What is the periodicity of f(x)=cos(4x)cos(2x) ?

The periodicity of f(x)=cos(4x)cos(2x) is pi

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periodicity of f(x)=cos(4x)cos(2x)

periodicity

f (x) = cos (4 x) cos (2 x)

π

Solution steps

cos (4 x) cos (2 x)

is composed of the following functions and periods:

cos (4 x)

with periodicity of

\frac{2 π}{4}

The compound periodicity is:

= π

f (x) = x^{3} - 125

f (x) = 4 x^{2} + 2 x + 6

y = \frac{1}{5} x + 4

f (x) = - x^{2} + 5 x + 2

f (x) = \frac{- x ^{2} + 5 x}{2 x ^{2}}

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