why we only use tan function in V-I (Ohm's Law) graph slope ?
why not cot or any other function ?
⚠️WARNING:- I'll report you if you give me wrong answer⚠️
Answers
By 'Why is only the tangent function used as a measure of slope?' do you mean to ask, why aren't sine and cosine functions used (to measure the slope of a line) as well?
Because if you do, and you want to do at least twice as much work, then help is at hand! Instead of just using the boring old tan function, you can use the more exciting sine and cosine functions, too. Try this:
Slope = sine / cosine.
Why? Because slope simply is defined as opposite over adjacent—how far do I rise (y-axis) for a certain amount travelled (x-axis)?
Sine is defined as opposite over hypotenuse, and cosine as adjacent over hypotenuse. So divide one by the other and the hypotenuse values cancel out and you have the same number you would have got the easy way. But at least you have had the satisfaction of doing it differently. :-D