Radian and degree conversion practice | Trigonometry

Radian and degree conversion practice | Trigonometry | Khan Academy

Рет қаралды 706,801

11 жыл бұрын

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A little practice converting between radians and degrees and vice versa
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Пікірлер: 132

@zacp4658 7 жыл бұрын

This guy explains things so well, i have spent so much time on Khan Academy! Thank you!!!!

@kovanovsky2233 4 жыл бұрын

ah, nostalgia. I'm a year 4 undergrad in physics and I'd like to say thank you to khan academy for all your amazing work. Before I get into physics major, I watched a ton of your videos on math and physics. Without your videos I'd be absolutely rubbish at math, let alone physics. Again, thank you so much for making these videos!

@VegitaBleEater 3 жыл бұрын

You're Bri-ish I presume. How'd I figured? You said 'rubbish' instead of 'trash'.

@helium269c2 3 ай бұрын

where are you now with your degree, what job did you get :D I just started first year in engineering :D

@onedgivesmelife5741 8 жыл бұрын

MY EXAM IS TOMORROW AND THIS IS A LIFE SAVER OHMYGOSHS

@user-dp9yn7zf4l 4 жыл бұрын

how was the exam

@slimeball4l540 3 жыл бұрын

@@user-dp9yn7zf4l 4 years late for that lol

@alibabaintelligence8281 3 жыл бұрын

radiussssssses

@annluise 4 жыл бұрын

ily, whoever made khan academy... you deserve everything in life

@abrodey 2 жыл бұрын

youre the only reason i'm going to pass my physics/mathematics course this year. thank you v much

@volcanic3104 7 жыл бұрын

RADIUSESESES

@JoeyGatto 8 жыл бұрын

thank you

@MyCraftyChannel 7 жыл бұрын

omg !!

@MyCraftyChannel 7 жыл бұрын

#same

@MyCraftyChannel 7 жыл бұрын

I love your videos💗

@justsomebabywithinternetac2584 4 жыл бұрын

@@MyCraftyChannel shut up puupy

@tobiadedoyin811 3 жыл бұрын

Why don't you have a music verification instead?

@sagshah10 5 жыл бұрын

Quite a long method dont you think to convert. If I know that 1 degree = π/180, then 30 degree = [ (π/180) * 30 ] radians I find this much simpler to work out.

@laharin9231 4 жыл бұрын

Loved this.. best among many explanations that I have gone through so far!!

@lwarrell31 9 жыл бұрын

incredibly helpful, thank you!

@TheBancho22 11 жыл бұрын

Maths, maths, oh, my dear maths... Were you to go away, It would take the joy out of my day

@lampnator6101 8 жыл бұрын

Such a big help, having a test tomorrow and really needed more insight on this topic. Thanks a lot!

@dr.jddagondon5684 4 жыл бұрын

How was your test?

@slimeball4l540 3 жыл бұрын

How was ur test?

@jonneha7 2 жыл бұрын

How was your test?

@marswiftsmith 8 ай бұрын

How was your test?

@ruperthess7238 6 жыл бұрын

This makes sooo much sense! Thanks soooo much! You literally saved my life!!!! Massive Thumbs up!

@thetrunkinator85 5 жыл бұрын

My year 11 Math teacher is going through this, but she isn't making any sense, she could use a white marker on a whiteboard and I would still learn the same as I currently do in her class, your videos are really helpful.

@reservoirgoon1 10 жыл бұрын

Pi radiususes? Lol that lightened the mood. Good teaching. You made it easier for me to understand wtf my professor was trying to say

@dcrypt__ 3 жыл бұрын

Years on , still saving lives 💕💯

@neleahnugent 7 жыл бұрын

Got a 64 on my trig test. Hoping this will save me for my retake. I've learned so much

@divinellght 7 жыл бұрын

This is great. I know what i'm actually doing now. And i have a quiz tomorrow. I'm ready!

@jkijanardankingti695 Жыл бұрын

I donno why but deriving the conversion part was the hardest for me to understand, thank you so much sir !

@connoresterhuizen6608 6 жыл бұрын

Best explanations ever! Really love the videos.

@s_phamandla. 3 жыл бұрын

Thank you❤🙏 You havr the power to make things come intuitively others just as they do to you.

@estifanoslema6871 8 жыл бұрын

thanks for help it work out for my problem

@LukeTheHobbit 10 жыл бұрын

What a relief! Thanks man!

@ay1796 10 жыл бұрын

thanks dude! your vids are helping me a lot

@Longbow7771 10 жыл бұрын

My favorite instructor!

@chantellestreete3313 6 жыл бұрын

hoooooly sheeeet thank you! This was such a good way to learn this :D So quick!

@yolandahlengwa4170 3 жыл бұрын

Very Helpful 👌thank you!!

@deepak8022 6 жыл бұрын

I wish I have teachers like you.

@matthewperkins2950 7 жыл бұрын

Your videos are so helpful, but i think would be even better if you don't repeat things to fill silences, it's nice to have a second to absorb the last thing you said.

@juicynugget 5 жыл бұрын

Just pause it

@Eschatonx 5 жыл бұрын

@J then don't listen to it.

@lpcrobat2745 4 жыл бұрын

I like to put him on 1.25x, that's my learning speed for him

@maribelruiz9683 7 жыл бұрын

Thanks for existing Khan Academy!!

@simarliebnz9588 11 жыл бұрын

Thank you for making these videos!

@babisalazar252 5 жыл бұрын

I'm binge watching Khan academy's tutorial vids (in precalculus) for my exam which is about to begin in an hour and a half... Pray for me

@ardasimsek4779 5 жыл бұрын

how was your exam?

@Unkown242 3 жыл бұрын

Yea you never told us, How? Was Your Exam?

@franklinmaradiaga2401 2 жыл бұрын

Lol, after 3 years how was it?

@shanukgoonetilleke8444 4 жыл бұрын

Thanks helped me a lot!

@harikeertanareddy775 4 жыл бұрын

i really enjoyed watching your video man and radiuseseses

@kevinbarraza5821 9 жыл бұрын

helps so much

@user-ow6ib7tr9o 5 ай бұрын

Everything is good, its just that i dont get how you could get a negative angle, also how would you plot that on a unit circle? would it just be downwards?

@alianders8038 10 жыл бұрын

soo helpful thanks!

@jljoe3807 7 жыл бұрын

alright brother, got it😁 thanks,,

@bilaiscooll 8 жыл бұрын

Thank you!

@ds3382 9 жыл бұрын

omg thank you sooo much !

@yg23 7 жыл бұрын

Thanks fam!

@user-rr4sm2lj4b 3 ай бұрын

Love the part where his like RADIUSESESESS. Love you!

@ricbcozy1306 9 жыл бұрын

Thank You!!!!

@cringetube8365 3 ай бұрын

Didn't understand the test I have tomorrow until I watched this video, you're singlehandedly the reason I am getting a B and not a C in math lmao

@gullyboy27 4 жыл бұрын

How we change degree and minute

@pinkyfavour3479 6 жыл бұрын

Thank you!!🙂

@waterwaterwa 7 жыл бұрын

thank you!!!!!!!!!

@type335 6 жыл бұрын

Hellpful like hell, thanks

@zeshanhaider4704 3 жыл бұрын

This video really saved me

@samanthahochstadt6904 5 жыл бұрын

You have a really nice voice.

@rayrainer985 3 ай бұрын

For some reason, I find it easier to see the problem as a ratio using A/B=C/D. I guess he is trying to explain the reasoning behind it which kind of escape me. There is always more than one way of looking at a problem Any thoughts on this? πr/180° = ?/30° 30° (πr)/180° = πr/6 (30/180 = 1/6) so: πr/6 = 30°

@hannahdvorak857 9 жыл бұрын

Thank you so much.

@ajacks6741 2 жыл бұрын

Great video !!!

@claireramos290 3 жыл бұрын

Thank you Khan Academy

@kemetiverson6314 7 жыл бұрын

Thanks, vids A1

@sugarypuma509 8 жыл бұрын

its actually neil tyson

@abigailsookdeo 4 жыл бұрын

thanks g God bless

@xxesinammxx 6 жыл бұрын

Thank you Sal Khan for my life

@birdm9800 5 жыл бұрын

Jesus, i learnt more here than school, thanks man

@Eschatonx 5 жыл бұрын

I'm so lost on this... where did the pi/180*radians/degree*30 degrees come from? He said it came straight from the formula, but the formula says raidian = 180/pi. Can anyone clarify this for me? Thanks.

@vanzsanchez6980 6 жыл бұрын

what is the equivalent of pi in numbers sir?

@fengwang343 Ай бұрын

Me watching this 11 yrs later 😂

@johnlandis2552 9 жыл бұрын

notice how he cleverly avoids the arithmetic involved with using approximations for pi (presumably, because "Pi/N" is exactly correct while "3.14159...../N" is wildly inaccurate!) ( For those who couldn't follow the arithmetic, one Radian is approx.57 degrees

@t0p0nt0p 7 жыл бұрын

best understanding

@spacechimp5141 4 ай бұрын

people always use special angles which are easy to convert to radians, but how about the angles like 35 or 215?

@MuduruKarthikeyanMuduruKarthik 3 ай бұрын

OMG its 11 years ago

@ponyfauna5 9 жыл бұрын

Thaanks:D But what if a question asks to like convert 2.5 radians to degrees?:/

@shantam7 9 жыл бұрын

2..5 can also be written as 5/2 therefore , 2.5 radians = 180 / pi * 5/2

@ProductionBandit 10 жыл бұрын

made this so fucking simple, thanks bro!

@rugvedpawar7114 5 жыл бұрын

So helpful, who's here is 2018?

@maryj9463 6 жыл бұрын

Ok I've been looking through your videos, and they're helpful, but... they didn't answer the question I'm looking for. How do you convert 5/6 (no pi, no nothing, just the fraction 5 over 6) to radians???

@juicynugget 5 жыл бұрын

Im sure you figured out that when there is nothing, like no symbols or notation or whatever, you default to radians.5pi/6

@tobiadedoyin811 3 жыл бұрын

How do you convert metre to litres?! XD

@strawberrydragon1 4 жыл бұрын

I remember it by pi radians = 180 degrees.

@a1aviation612 3 жыл бұрын

i was 8 yrs old when this was posted .....

@franciscasfunspace3985 3 жыл бұрын

Thanks for this video.This time, you didn't say RADIUSESESES.

@rentsuso4671 3 жыл бұрын

For the longest mr. Khan has worthy opponent. Corpse husband.

@NomsitaMSHaritashya 4 жыл бұрын

gr888 video

@cellosean 9 ай бұрын

I wish he said "radii" though, instead of "radiuseseses."

@StonerSquirrel 9 ай бұрын

If 1 rad equals to 180 degree, then why google calculator show me to be 57?

@computeranalysis7293 2 жыл бұрын

Sir can u tell me why u given the name of khan to your channel give me positive reason

@stajix5279 6 жыл бұрын

what does he mean by radiusiusius

@slay1959 6 жыл бұрын

just the plural form of radius. when he says that he is talking about more than one radius

@samtheman982 11 жыл бұрын

45 degres is equal to 0.75 radians

@Neooooohhh 8 жыл бұрын

Pi radiuseses.....

@therealkahnadademy3573 8 жыл бұрын

+naif maknojia Check out my channel for a song/remix of the guy stuttering. :)

@sarahsilguero5160 5 жыл бұрын

not one bit of this stuck in my brain

@manipuremagi209 6 жыл бұрын

everyone knows radian to degree but no one knows degree to grade

@dirac17 11 жыл бұрын

Radians are the unitless unit.

@studentcommenter5858 4 жыл бұрын

While converting 30 degrees to radians you wrote "degrees" in numerator and denominator for no reason. This is wrong. Here you just multiply with "number". You don't need to consider its units.