/sci/ - Science & Math » Thread #13434514

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Am I retarded?

Anonymous Sun 25 Jul 17:32:30 2021 No.13434514 View Reply Original Report

Quoted By: >>13434546 >>13434552 >>13434557 >>13434719

How do you write f2 specifically

Anonymous

Anonymous Sun 25 Jul 2021 17:42:20 No.13434546 Report

Quoted By:

>>13434514
$f_2 (x) = \cos \left( \frac{\pi}{180} x \right) [\math]$

Anonymous

Anonymous Sun 25 Jul 2021 17:43:21 No.13434552 Report

Quoted By: >>13434733

>>13434514
$f_2 (x) = \cos \left( \frac{\pi}{180} x \right)$

Anonymous

Anonymous Sun 25 Jul 2021 17:44:14 No.13434557 Report

Quoted By: >>13434569

>>13434514
thats just in inverse function of f1.
Consider y = f(x) and x = g(y).
Then g(f(x)=x, so g = f^-1

Anonymous

Anonymous Sun 25 Jul 2021 17:47:00 No.13434569 Report

Quoted By: >>13434588

>>13434557
I know it's the inverse how do you write it specifically

Anonymous

Anonymous Sun 25 Jul 2021 17:51:38 No.13434588 Report

Quoted By:

>>13434569
if y = f(x), then solve for x in terms of y to get the inverse

Anonymous

Anonymous Sun 25 Jul 2021 18:25:02 No.13434719 Report

Quoted By: >>13434733 >>13435047

>>13434514
$f_2(a) = \text{sin}(-\frac{2\pi a}{360}+\frac{2\pi}{4})$

Anonymous

Anonymous Sun 25 Jul 2021 18:27:19 No.13434733 Report

Quoted By: >>13434757

>>13434719
Which is >>13434552 but written like a retard

Anonymous

Anonymous Sun 25 Jul 2021 18:34:06 No.13434757 Report

Quoted By: >>13434786

>>13434733
> True, my bad.

Anonymous

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Anonymous Sun 25 Jul 2021 18:39:27 No.13434786 Report

Quoted By:

>>13434757
It's ok fren

Anonymous

Anonymous Sun 25 Jul 2021 19:48:59 No.13435047 Report

Quoted By:

>>13434719
the state of this. when will pseuds learn?

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