x^{2} + y^{2} = z^{2} et. al.

Engineers use the Pythagorean Theorem and the associated trigonometric functions, particularly cosine and sine, to a very great extent. You may think, “Hey, the Pythagorean Theorem is for mathematicians. Why are you claiming it for engineers?”

First, engineers use this equation to break down vectors into component vectors in an x-y coordinate plane. This is extremely powerful since vectors can represent forces or distance or velocity or a myriad of other phenomenon. I know. Wild, isn’t it? Engineers use Pythagorean’s old equation for great uses.

And here we see the second reason why this should be principally an engineering concept. I have a brother. He just had a birthday yesterday. But, that is irrelevant. What is relevant is that he is a math professor and as a mathematician the one thing he hates is to do anything “applied” with his math. He likes to keep it “theoretical. What? No real world solutions? – No. No solving a practical dilemma? – No. No serving the general public and supplying clean water, electricity, motors, highways, etc.? – No. My brother sees math as an end to itself. He hardly even deals with numbers anymore.

So, here the engineer is found to be far more noble and distinguished than the math professor. Sit and think about math, or use equations such as the Pythagorean Theorem to solve problems and help humankind? I think the answer is quite clear.

Thank you.

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