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Popular Functions >

periodicity of f(x)=cos(3x)

Solution

periodicity

f (x) = cos (3 x)

Solution

\frac{2 π}{3}

+1

Decimal

2.09439 \dots

Solution steps

Periodicity of

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

Periodicity of

cos (x)

is

2 π

= \frac{2 π}{∣ 3 ∣}

Simplify

= \frac{2 π}{3}

Graph

Popular Examples

perpendicular y=3x-7

p er p e n d i c u l a r y = 3 x - 7

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in v erse f (x) = 2 (\frac{1}{4})^{x}

inverse of f(x)=x^2-6x+5,x<= 3

in v erse f (x) = x^{2} - 6 x + 5, x \leq 3

d o main 3 x + 7

domain of f(x)=sqrt((25-x^2)/(x+1))

d o main f (x) = \frac{25 - x ^{2}}{x + 1}

Frequently Asked Questions (FAQ)

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