What is the periodicity of f(x)=3cos(pi/(10)t) ?

The periodicity of f(x)=3cos(pi/(10)t) is 20

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periodicity of f(x)=3cos(pi/(10)t)

periodicity

f (x) = 3 cos (\frac{π}{10} t)

20

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{π}{10}}

Simplify

= 20

f (x) = \frac{7}{x ^{3} - 1}

(0.6, - 0.2), (3.1, 1.4)

x^{3} - 9 x^{2} - 81 x

\frac{3 x ^{2} + 2 x - 1}{6 x ^{2} - 7 x - 3}

x + 2 y = 4

What is the periodicity of f(x)=3cos(pi/(10)t) ?
The periodicity of f(x)=3cos(pi/(10)t) is 20