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Popular >

inverse of f(x)=9sin(4x)

Solution

inverse

f (x) = 9 sin (4 x)

Solution

\frac{arcsin ( \frac{x}{9} )}{4}

Solution steps

Solve for

sin (4 x), y = 9 sin (4 x)

sin (4 x) = \frac{y}{9}

sin (a) = b \Rightarrow a = arcsin (b)

4 x = arcsin (\frac{y}{9})

Solve for

x, 4 x = arcsin (\frac{y}{9})

\frac{arcsin ( \frac{y}{9} )}{4}

Substitute

y = x

\frac{arcsin ( \frac{x}{9} )}{4}

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Frequently Asked Questions (FAQ)

What is the inverse of f(x)=9sin(4x) ?
The inverse of f(x)=9sin(4x) is (arcsin(x/9))/4