Law of sines for missing angle | Trig identities and examples | Trigonometry | Khan Academy

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[@NoxuzBlog]

IN KHAN WE TRUST

[@ferdows9995]

U probably got a job now

[@NoxuzBlog]

Yes I do

[@MissAdrenaLinn]

thank u sal i owe u my life

[@adls04]

THANK YOU SO MUCH... I'm an 8th grader thats taking trig and I was left confuzed

[@SaisBlade]

what about the alternate solution? this is correct: sin(θ) = (4/3) * sin(40°) θ = 58.99° but by the identity sin(x) = sin(180-x) another solution is θ = 121.01° therefor the final angle would have two possible values: 81.01°, or 18.99°

[@user-ys6lp4lg1w]

Thank you, Mr. Khan, you have helped my schooling progress ! I love your work Mr. Khan, thank you again !

[@demonetizedhistory5806]

IT'S TAKEN ME DAYS BUT IM SOOOOO HAPPPYYYY KHANNNN when you said to figure the problem out at the beginning, using ur other videos i was able to do it. In all honesty i love u man and i feel smarter now thxxxxxxxxxxxx.

[@CHERRY-bd4kk]

OMG THANK YOU SO MUCH! 😭

[@user-lr5vp4iq3o]

Thanks this helped a lot.

[@salemsolomon57]

yay i got it right

[@matriedevenokahalukamati1247]

I want to know,how can you determine if you need to use sine or cosine guys?

[@adriangarcia5458]

u saved me

[@thewebmaster312]

Yo me too +Adrian Garcia

[@MrBoom6009]

What program does he use for the calculator?

[@chrismendoza7024]

Hello, how did you make a fraction 4/3? Pls I don't get it

[@chrismendoza7024]

Matthew Thompson thank you.

[@killaforu100]

But just before he did that he said to multiply both sides? I don't get how by multiplying both sides he got 4/3 on one

[@NuEnque]

Dude I'm glad I am not the only one confused by that. At 3:23 he says to multiply and the next words out of his mouth are literally 40 divided by 30!

[@appleblooms259]

I’m very late, but he multiplied 40 on both sides, then simplified 40/30 to 4/3.

[@aditopguy9785]

@@appleblooms259 how does 40*(sin40/30) become 40/30 in the first place though?

[@fanmajnekrofta27]

2:52 cosines? sine right

[@Sanyok1900]

blyat, 10 mins to test, amen

[@Jo-_-Jo]

how does he draw so good with a mouse :0

[@hebanyarbrough241]

He draws with a pen lol.

[@user-lr5vp4iq3o]

Make your words a bit small can't even see the working outs to the problem .

[@aditopguy9785]

can someone explain how 40*(sin40/30) becomes 4/3sin40 at 3:28?

[@ishveeraulakh7429]

both the 40 and 30 are divisible by 10 and they are dividing so you should simplify as much as you can, divide both 40 and 30 by 10 to get 4/3, hope this helps

[@riyadhbaksh289]

Couldn't there be ambiguity in this question?

[@dougmckisson2873]

Yes, I believe there are 2 correct answers.

[@cooperkress3404]

Having the bottom length being the same as one of the angles makes a terrible example

[@albertjackinson]

It's the same principle.

[@GenerelRosenheim]

Grüße An Hülle

[@gnomey5421]

Wait he's using Cosines now?

[@hiromifajardo1902]

he sounds like ranboo lmao