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- Exact_trigonometric_constants abstract "Exact algebraic expressions for trigonometric values are sometimes useful, mainly for simplifying solutions into radical forms which allow further simplification.All values of the sines, cosines, and tangents of angles at 3° increments are derivable in radicals using identities—the half-angle identity, the double-angle identity, and the angle addition/subtraction identity—and using values for 0°, 30°, 36°, and 45°. Note that 1° = π/180 radians.According to Niven's theorem, the only rational values of the sine function for which the argument is a rational number of degrees are 0, 1/2, and 1.".
- Exact_trigonometric_constants thumbnail Unit_circle_angles_color.svg?width=300.
- Exact_trigonometric_constants wikiPageExternalLink faq.polygon.names.html.
- Exact_trigonometric_constants wikiPageExternalLink faq.regpoly.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi10.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi11.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi12.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi13.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi15.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi16.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi17.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi18.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi20.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi23.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi24.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi3.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi30.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi32.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi4.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi5.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi6.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi7.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi8.html.
- Exact_trigonometric_constants wikiPageExternalLink TrigonometryAnglesPi9.html.
- Exact_trigonometric_constants wikiPageExternalLink surds_sin_cos.html.
- Exact_trigonometric_constants wikiPageID "669090".
- Exact_trigonometric_constants wikiPageRevisionID "604825999".
- Exact_trigonometric_constants date "August 2012".
- Exact_trigonometric_constants hasPhotoCollection Exact_trigonometric_constants.
- Exact_trigonometric_constants reason "What are 'primary solution angles'?".
- Exact_trigonometric_constants reason "Why are cosines singled out? Isn't this true for all the trig functions? Also, expressions would exist for any multiples of these angles too?".
- Exact_trigonometric_constants title "Constructible polygon".
- Exact_trigonometric_constants title "Trigonometry angles".
- Exact_trigonometric_constants urlname "ConstructiblePolygon".
- Exact_trigonometric_constants urlname "TrigonometryAngles".
- Exact_trigonometric_constants subject Category:Algebraic_numbers.
- Exact_trigonometric_constants subject Category:Trigonometry.
- Exact_trigonometric_constants type Abstraction100002137.
- Exact_trigonometric_constants type AlgebraicNumber113730902.
- Exact_trigonometric_constants type AlgebraicNumbers.
- Exact_trigonometric_constants type ComplexNumber113729428.
- Exact_trigonometric_constants type DefiniteQuantity113576101.
- Exact_trigonometric_constants type IrrationalNumber113730584.
- Exact_trigonometric_constants type Measure100033615.
- Exact_trigonometric_constants type Number113582013.
- Exact_trigonometric_constants type RealNumber113729902.
- Exact_trigonometric_constants comment "Exact algebraic expressions for trigonometric values are sometimes useful, mainly for simplifying solutions into radical forms which allow further simplification.All values of the sines, cosines, and tangents of angles at 3° increments are derivable in radicals using identities—the half-angle identity, the double-angle identity, and the angle addition/subtraction identity—and using values for 0°, 30°, 36°, and 45°.".
- Exact_trigonometric_constants label "Costanti trigonometriche esatte".
- Exact_trigonometric_constants label "Exact trigonometric constants".
- Exact_trigonometric_constants label "Table de lignes trigonométriques exactes".
- Exact_trigonometric_constants label "三角函數精確值".
- Exact_trigonometric_constants sameAs Table_de_lignes_trigonométriques_exactes.
- Exact_trigonometric_constants sameAs Costanti_trigonometriche_esatte.
- Exact_trigonometric_constants sameAs m.031ctl.
- Exact_trigonometric_constants sameAs Q2533727.
- Exact_trigonometric_constants sameAs Q2533727.
- Exact_trigonometric_constants sameAs Exact_trigonometric_constants.
- Exact_trigonometric_constants wasDerivedFrom Exact_trigonometric_constants?oldid=604825999.
- Exact_trigonometric_constants depiction Unit_circle_angles_color.svg.
- Exact_trigonometric_constants isPrimaryTopicOf Exact_trigonometric_constants.