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When people are taught trigenometry in school it is usually just for finding the angles of a triangle. But the sine and cosine functions are actually waves if you were to draw them on a graph. Acoustics is sound waves, and by mapping sound waves into trigonometric waves we can do calculations on them like addition.
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When did people need trigonometry?
Since ancient times.
Can you take trigonometry before taking algebra 2?
I think you need to understand algebra 2 before you begin trigonometry
What are the 2 branches of trigonometry?
plane trigonometry spherical trigonometry
What are the kinds of trigonometry?
The main kinds are plane trigonometry and solid trigonometry. The latter will include trigonometry in hyper-spaces.
Why learn trigonometry?
Trigonometry is engineering math, but If you are going to study something in physics, or science, (basically this is "applied science"), you will need lots of calculus. calculus appears a lot in "Stargate".
