What's the importance of the trig angle formulas?

General Tech Learning Aids/Tools 2 years ago

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manpreet Tuteehub forum best answer Best Answer 2 years ago

What's the importance of the trig angle formulas, like the sum and difference formulas, the double angle formula, and the half angle formula? I understand that they help us calculate some trig ratios without the aid of a calculator, but I guess I don't really understand the point of learning them since they're not the same algorithms used by calculators to calculate trig ratios (most of them use a Taylor series, right?). Wouldn't our time be better spent learning the calculator's algorithms so that we can calculate the ratio at any arbitrary angle? Thanks!

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