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Popular >

inverse of cos(2q)

Solution

inverse

cos (2 q)

Solution

\frac{arccos ( q )}{2}

Solution steps

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

2 q = arccos (y)

Solve for

q, 2 q = arccos (y)

\frac{arccos ( y )}{2}

Substitute

y = q

\frac{arccos ( q )}{2}

Popular Examples

inverse of f(x)=(-2x+10)/3 inverse

f (x) = \frac{- 2 x + 10}{3}

extreme x^4-4x^3+3 extreme points

x^{4} - 4 x^{3} + 3

inflection f(x)=-x^3+3x^2-1 inflection points

f (x) = - x^{3} + 3 x^{2} - 1

intercepts of f(x)=-sqrt(x)+3 intercepts

f (x) = - x + 3

periodicity of 4sin(6x-pi)periodicity

4 sin (6 x - π)

Frequently Asked Questions (FAQ)

What is the inverse of cos(2q) ?
The inverse of cos(2q) is (arccos(q))/2