Data Source and Methodology
Tutti i calcoli si basano rigorosamente sulle formule e sui dati forniti da fonti autorevoli in matematica trigonometrica.
The Formula Explained
\[ \sin(\theta) = \text{opposite} / \text{hypotenuse} \]
\[ \cos(\theta) = \text{adjacent} / \text{hypotenuse} \]
\[ \tan(\theta) = \sin(\theta) / \cos(\theta) \]
Glossary of Terms
- Angle: The measure in degrees for which trigonometric values are calculated.
- Sine: Ratio of the opposite side to the hypotenuse in a right triangle.
- Cosine: Ratio of the adjacent side to the hypotenuse in a right triangle.
- Tangent: Ratio of the sine to the cosine.
Frequently Asked Questions (FAQ)
What is the unit circle?
The unit circle is a circle with a radius of one, centered at the origin of a coordinate plane.
How is the unit circle used in trigonometry?
The unit circle is used to define trigonometric functions for all real numbers.
Formula (LaTeX) + variables + units
This section shows the formulas used by the calculator engine, plus variable definitions and units.
Formula (extracted LaTeX)
\[','\]
','
Formula (extracted LaTeX)
\[\sin(\theta) = \text{opposite} / \text{hypotenuse}\]
\sin(\theta) = \text{opposite} / \text{hypotenuse}
Formula (extracted LaTeX)
\[\cos(\theta) = \text{adjacent} / \text{hypotenuse}\]
\cos(\theta) = \text{adjacent} / \text{hypotenuse}
Formula (extracted LaTeX)
\[\tan(\theta) = \sin(\theta) / \cos(\theta)\]
\tan(\theta) = \sin(\theta) / \cos(\theta)
Formula (extracted text)
\[ \sin(\theta) = \text{opposite} / \text{hypotenuse} \] \[ \cos(\theta) = \text{adjacent} / \text{hypotenuse} \] \[ \tan(\theta) = \sin(\theta) / \cos(\theta) \]
Variables and units
- No variables provided in audit spec.
Sources (authoritative):
- NIST — Weights and measures — nist.gov · Accessed 2026-01-19
https://www.nist.gov/pml/weights-and-measures - NIST — SI units — nist.gov · Accessed 2026-01-19
https://www.nist.gov/pml/owm/metric-si/si-units
Changelog
Version: 0.1.0-draft
Last code update: 2026-01-19
Last code update: 2026-01-19
0.1.0-draft · 2026-01-19
- Initial audit spec draft generated from HTML extraction (review required).
- Verify formulas match the calculator engine and convert any text-only formulas to LaTeX.
- Confirm sources are authoritative and relevant to the calculator methodology.