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Popular >

inverse of f(x)=cos(9x)

Solution

inverse

f (x) = cos (9 x)

Solution

\frac{arccos ( x )}{9}

Solution steps

cos (a) = b \Rightarrow a = arccos (b)

9 x = arccos (y)

Solve for

x, 9 x = arccos (y)

\frac{arccos ( y )}{9}

Substitute

y = x

\frac{arccos ( x )}{9}

Popular Examples

range of-1/(x^4)-3 range

- \frac{1}{x ^{4}} - 3

parity f(α)=1+sec(α)parity

f (α) = 1 + sec (α)

domain of (x+3)^2(2x-12)^{1/4}domain

(x + 3)^{2} (2 x - 12)^{\frac{1}{4}}

domain of (5x+25)/x domain

\frac{5 x + 25}{x}

asymptotes of f(x)=(x^2-5)/(2x^2-18)asymptotes

f (x) = \frac{x ^{2} - 5}{2 x ^{2} - 18}

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=cos(9x) ?
The inverse of f(x)=cos(9x) is (arccos(x))/9