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Results tagged with estimation
Search options questions only
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user 26072
For questions about estimation and how and when to estimate correctly
1
vote
2
answers
1k
views
successive approximation for sine, using pencil and paper
I'm looking for a relatively simple algorithm that can quickly be done by hand to refine an initial estimate for the sine of an angle in degrees.
I've memorized a few landmark values for sine and com …
- 837
21
votes
8
answers
7k
views
Mental estimate for tangent of an angle (from $0$ to $90$ degrees)
Does anyone know of a way to estimate the tangent of an angle in their head? Accuracy is not critically important, but within $5%$ percent would probably be good, 10% may be acceptable.
I can estimat …
- 837