See the internet site below for an explanation. There are more uses, this is only one person's answer to your question.
At one machine shop for General Motors they make and repair nuts, bolts, drills, and a variety of other tools where the angles within the tool are essential to the production of the parts in your auto. Without Trigonometry the angles would be only a guess and your car would not be reliable.
importance of circular function
There are no real life applications of reciprocal functions
the way light and dark create is the same in art and in real life
The way that light and dark create shadows is the same in both art and real life.
The way that light and dark create shadows is the same in both art and real life.
The way that light and dark create shadows is the same in both art and real life.
it's hard
A vending machine.
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They aren't. They aren't.
The way that light and dark create shadows is the same in both art and real life.
Can you use trigonomic functions in real life situations? It's not like you carry a calculator with you everywhere... Very unlikely unless you have a job that requires trig skills.