- Whats the inverse of: f(x) = 2x / 3-x - What is the geometric mean of 4sin^2 x and 4 cos^2 x, in terms of sine? Thanks.
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Originally Posted by Y-So-Serious - Whats the inverse of: f(x) = 2x / 3-x For $\displaystyle y = \frac{2x}{3-x}$ swap x and y then solve for y. Originally Posted by Y-So-Serious - What is the geometric mean of 4sin^2 x and 4 cos^2 x, in terms of sine? make this substitution $\displaystyle \cos^2 x = 1-\sin^2x$ The geometric mean of two numbers a and b is $\displaystyle \sqrt{a\times b}$
Can you solve the problems too? I need the final answers. Thanks.
This Math Help Forum not Math Solve Forum. I'm happy to help you further if you show me your attempt at the problems.
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