How do you find the angle? Let’s see…

How to find the angle using right angle trigonometry.

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TC Math Notes

[atoz]

I remember doing this in high school, but that was 30 years ago. I am glad this channel explains it well. My teacher I had didn't do as well. I got an A in the class, but I never really understood what I was doing. I remember looking up on a chart to find out the degree. Could you do a video explaining how that number is calculated instead of just using a chart? Thank you in advance.

[yorforger]

Hello, back in the 80's i was in hi school cabarrus catholic college in neg occ ph. I still remembered those abreviations of sine, cosine and tangent. Calculator was scarce we use the list in a little book trigonometric table.. it was awesome and challenging..

[somnathchapagain]

I am glad that I learned how to find an angle with the help of your clear instruction. Thank you so much for your presentation.

[jennyg.]

this guy probably is the best math teacher...his students are lucky but they probably don't realize that

[jonathanbush]

I dug out my slide rule to see if I remembered how. It took me a while to realize that the T scales were themselves the degree values, and the tangent value is to be found on the C scale. So T is the arc tangent of C, once you figure out which T scale is the appropriate one. I got more than 3 significant digits, but not quite 4.

[martinmaltbor]

I learned more about trigonometry here than I did in high-school and my high school years were a long time ago about 40 years ago to be specific.

[tomdixon]

I really appreciate the simplicity of your lesson. When I was in grade 12 43 years ago, they made it so complex. Just tell us how it is done was what i wanted to blurt out. Thank you. What angle does tan sove or?

[teofilodaquipil]

He is a very good teacher. Thank you very much.
How about if we forgot to bring calculator and no calculator available around. How to solve it without using calculator?

[bulwinkle]

When I was learning these functions we had no calculators, we had books of trig and log tables.

[haizahakipe]

You just solved my problem. Thanks much

[bebot]

how I wish I had teachers who were good at explaining as you do

[GreytOutdoorsMedic]

Is there a way to calculate the inverse tan without a scientific calculator, I am hoping there is a way to work out my latitude by measuring the length of a shadow at solar noon? TY.

[lovernotfighter]

I learned how to do this many years ago but with my new calculator I just watched the video to figure out the keys on the darn thing.

[chrisatkins]

I wish I would have been in your class. I had a scientific calculator but had no clue how to use the thing. I dropped trig in college. I’m learning now so maybe I can help my grandkids when the time comes.

[jamesburrows]

FOCUS ON THE WHY? I’m 59 and l agree w most of the posts…”wish l had him as a Math teacher.” Respectfully, kick it up a notch! If you want real IMPACT (however u want to measure it), spend an equal amount of time on what most students are puzzled by on WTF does it matter. Get people to love/yearn math/science’s. Show them how (examples) it impacts life as they would know it. That’s the magic! Again, at 59 with a smaller window of time, there’s a greater appreciation, a hunger for “ what l don’t know…but should.) 😉

[MrFritz]

@Tabletclass Math how do you find tang without a calculator?

[starpawsy]

FInd the angle? There it is, in the left hand corner. It's marked with a big 'x'. You cant miss it.

[peterjohnson]

3, 4, 5, 90deg 60deg 30deg are the angles here. Used to layout squares etc in engineering and building etc. Great thing to know.

[theresabeharry]

Can U please do one by finding the side

[lawrencerasmus]

I did sheet metal layout and had a little pocket book with a chart but didn't have a calculator, non scientific, until 1971 . I bought it a jc Penny's for $75. Just did basic math . I was working with tool and die makers also . The owner said what are you going to do with a calculator but when he saw how fast I could figure things he required everyone to have one .