# What things in your experience are often, but poorly, correlated with intelligence?

**URL:** <https://boards.straightdope.com/t/what-things-in-your-experience-are-often-but-poorly-correlated-with-intelligence/964892>\
**Category:** In My Humble Opinion\
**Created:** [May 22, 2022, 7:48pm UTC](https://boards.straightdope.com/t/what-things-in-your-experience-are-often-but-poorly-correlated-with-intelligence/964892 "2022-05-22T19:48:03Z")\
**Posts on this page:** 1\
**Page:** 7

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**Author:** ![Dr.Strangelove](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/dr.strangelove/32/6613_2.png) [@Dr.Strangelove](https://boards.straightdope.com/u/Dr.Strangelove)\
**Post date:** [August 6, 2022, 3:46am UTC](https://boards.straightdope.com/t/what-things-in-your-experience-are-often-but-poorly-correlated-with-intelligence/964892/121 "2022-08-06T03:46:30Z")

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> [@Hari\_Seldon](#):
>
> To find the tangent of a number (in degrees, I assume), you need to know the remainder when divided by 360.

Another method, maybe a tad simpler:  
Divide numerator and denominator by 40. So \frac{10000...}{360} = \frac{250...}{9} . And I know by the principle of casting out nines that the remainder of the numerator is just 2+5+0+…=7. Multiply by the 40 again to get the original remainder of 280.

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