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Popular >

inverse of f(x)=2cos(x+7)

Solution

inverse

f (x) = 2 cos (x + 7)

Solution

arccos (\frac{x}{2}) - 7

Solution steps

Solve for

cos (x + 7), y = 2 cos (x + 7)

cos (x + 7) = \frac{y}{2}

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

x + 7 = arccos (\frac{y}{2})

Solve for

x, x + 7 = arccos (\frac{y}{2})

arccos (\frac{y}{2}) - 7

Substitute

y = x

arccos (\frac{x}{2}) - 7

Popular Examples

inverse of f(x)=(x-7)^2+10 inverse

f (x) = (x - 7)^{2} + 10

inverse of sqrt(x-2)+10 inverse

x - 2 + 10

inverse of f(x)=-4\sqrt[3]{x}-5 inverse

inverse of \sqrt[3]{x^3-1}inverse

inverse of f(x)=x^2-1,3<= x<5 inverse

f (x) = x^{2} - 1, 3 \leq x < 5

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=2cos(x+7) ?
The inverse of f(x)=2cos(x+7) is arccos(x/2)-7