>mathematicians will defend this

How's high school OP?

>>9115680
I thought it was impressive and cool in high-school.
Now I know better

>>9115679
What's the problem?

>>9115691
measuring 53°

>>9115703
Easy it's 0.93 rad.

>>9115679 >>9115680
>High School
t. burger education
That's elementary School in Europe.

>>9115720
If it was, not anymore.

File: 1502738199700.jpg (241KB, 1280x1122px)

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>>9115720
>public education in most of europe even shitholes like poland literally years ahead of na equivalents
nafeelsman

[math] \displaystyle
\begin{matrix}
angle & sin & cos \\
0 & \sqrt{0}/2 & \sqrt{4}/2 \\
\pi/6 & \sqrt{1}/2 & \sqrt{3}/2 \\
\pi/4 & \sqrt{2}/2 & \sqrt{2}/2 \\
\pi/3 & \sqrt{3}/2 & \sqrt{1}/2 \\
\pi/2 & \sqrt{4}/2 & \sqrt{0}/2
\end{matrix}
[/math]

this is the worst image. you literally only need two fucking triangles. no wonder people who don't like math look at it and go "omg all of these numbers! i could never possibly understand it".

yeah, it's fucking middle school shit, but that doesn't take away from the fact that it's a bad way of presenting the information.

>>9115936
hey that's pretty slick

File: 1501070852273-sci.jpg (39KB, 500x461px)

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>He fell for the circle meme
mfw

>>9115720
>t. retarded european going to sub 50 ranked uni telling himself stories about how american education is so shit so he can sleep at night

>>9115720
Y-you're lying, right?

>>9115968
this is good too

https://www.mathsisfun.com/algebra/trig-magic-hexagon.html

>>9116145
50 ranked uni
and u.s. high school might as well be on different planets

>>9115679
is it just coincidence that the coordinates of a point on a circle are fairly simple? If you think about it, it could be so much worse than some square roots and division of small whole numbers.

>>9115720
>he didn't learn trig ratios in the womb

i bet you still memorize it instead of deriving them through a polar coordinate system.

>>9116189
They're not all so nice

http://www.maths.surrey.ac.uk/hosted-sites/R.Knott/Fibonacci/simpleTrig.html#section1

who writes sqrt(2)/2 and not 1/sqrt(2)?

>>9116408
It's useful to write it as the former for memorization techniques, e.g. >>9115936

>>9116408
believe it or not but some places are completely autistic about not having a radical in the denominator of a fraction

>>9115679
Defend what? What's your point?

File: IMG_1180.jpg (38KB, 311x471px)

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>>9115679
> he doesn't even know his exact values
OP we learned this in lower middle school

>>9116408
Majority of US professors will mark it wrong if not rationalized. Why it needs to be rationalized? Got no clue. Prob jews.

>>9116149
Can confirm, t: europoor

>>9115855
the power of illiterate migrants dumbing down the european education system. Surely this will redpill the lot over there and they can fully understand why the US test scores is so shit (from the non-white/asian test takers).

>>9118377
In the netherlands smart people (about 10% of the pop) get split from the dumb ones after elementary school and can directly go to university. Immigrants don't dumb this down they just go somewhere that does fit them.
Except me ofc

Idk how they do it in the rest of the European Caliphate tho

>>9117597
i always wondered about this in high school as teachers demanded it but once i started university not a single professor mentioned such a thing

>>9115703
Bruh, all you need to do is multiply the radian measure by 180/pi in order to convert radians to degrees, if that's what you're having issues with it.

>>9117597
Yeah I've only had one professor that have a shit about rationalizing the denominator. Usually I do it anyways just to be safe though and I'm in the habit

>>9116149
Really this is middle school in Europe.

>>9116408
>>9117457
>>9117597
>>9118480
It shows you never calculated a fraction by hand.

>tfw some burgers learn trig and algebra in college aka college algebra, precalc

>>9115936
How I memorise this? I never thought how to fit it in my head.

t. brainlet

>>9121785
The only ones that really need to be memorized are the pi/6 and pi/3 ones (and those you can just remember one and know that the other is the opposite). The other ones should be obvious as long as you know what those words actually mean and that sin and cos are equal at pi/4

>>9121785
really? you can't see the 0-1-2-3 pattern?
wew lad

File: F2.medium.gif (11KB, 440x440px)

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who /[math]\mathbb{C}[/math]/ here

>>9116149

Italy here, it was my very first math lesson in the 3rd year of high school.
To be fair, middle school is fucking useless.
By the 5th year we were up to differential equations with two independent variables though so we clearly made up for it.

>>9116408
It's vestigial.
Manual calculation of 1/sqrt(2) is much more difficult than calculating sqrt(2)/2

>>9116408
>>9117597
>>9122185
adding sqrt(2)/2 to sqrt(3)/3 is a lot easier than
adding 1/sqrt(2) to 1/sqrt(3)

>>9116189
square roots appears because the circle is algebraically a locus of some quadratic polynomial

>>9117597
>>9117457
would you write 6/16 or 3/8 ? same reasoning