Use What You Have

With Trigonometry, you don't always have the abiltiy to determine your answer with the information given. Take what you have, and use it to find a value you need to solve the problem. In this case, we use the tangent function to find an angle, and then use that angle via the rule of sines to solve our problem.
We also introduce the cosine on the slide rule in this episode. In the next installment, we will examine the tangent and cosine function on the slide rule in more detail.
Here is the link to the virtual slide rule:
www.antiquark....
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[@martinfiedler4317]

Thanks! Do let the videos on trigonometry keep coming.
And please with examples for calculation.

[@sliderulesandmathematics9232]

I will continue on the slide told aspect, then will start on a full course in trig

[@judybassett9390]

I like your teaching methods.

[@sliderulesandmathematics9232]

Thank you!

[@willjohnston2959]

As with the previous video in this playlist, Pythagorean theorem is all you need to find hypotenuse c given the a and b leg lengths. Use what you have! It's overkill to use the approach seen here to arrive at hypotenuse c. However, the skills shown in this video would be appropriate if the task were to find the two unknown acute angles of the triangle.
Maybe your expertise in slide rules has led you to find answers that require only multiplication and division, not something as difficult as addition needed for the Pythagorean theorem. :-)

[@sliderulesandmathematics9232]

demonstrate the easy to gain insight into the hard.

[@mgmartin51]

Yes, but how do you prove that the earth is flat with a slide rule?

[@JohnLeePettimoreIII]

1. the cursor seeks it's own level.
2. there is no curve to the body.
3. the slide always rises to eye-level.
4. there are disk-shaped slide rules, but no ball-shaped slide rules.
5. trust random basement-dwellers on youtube! never trust science, evidence, reason, or common sense.
eat it, globetards!
😂🤣

[@sliderulesandmathematics9232]

If anything could….

[@JohnLeePettimoreIII]

@@sliderulesandmathematics9232 weird... i left a comment here a little while ago and now it's gone,
no links. no tags. this has happened to me on other channels too. very strange.

[@sliderulesandmathematics9232]

let me check

[@sliderulesandmathematics9232]

nothing was pulled to 'held for review'