Linked from

The 27 pages that link to Sine, each with the reason it gives.

• Cross productRelated: The angle-dependent magnitude uses the sine of the angle between the vectors.

• Right triangleBroader topic: It measures one leg relative to the hypotenuse for either acute angle.

• Periodic functionBroader topic: Its repetition over 2π makes it a basic model of smooth periodic variation.

• Euler's formulaRelated: It supplies the imaginary coordinate of the complex exponential.

• Trigonometric functionsBroader topic: It is one of the three principal functions and underlies many identities.

• Angular frequencyRelated: Sinusoidal oscillations use angular phase as the sine function’s input.

• TrigonometryBroader topic: It is the opposite-to-hypotenuse ratio in a right triangle.

• Unit circleBroader topic: The point's height at angle θ is sin θ.

• PiRelated: Its fundamental period is 2π.

• Cyclotomic polynomialCompared with: Roots of unity have trigonometric coordinates, but the polynomial captures their algebraic relations.

• CosineRelated: Sine shares cosine’s circle definition but tracks the other coordinate.

• AryabhataBroader topic: Aryabhata gave a table of half-chords that corresponds to sine values.

• Inverse trigonometric functionsRelated: Arcsine recovers a principal angle from a sine value.

• TangentRelated: Tangent uses sine as its numerator.

• Euler's identityRelated: At π its value is zero, removing the imaginary component in Euler's formula.

• Trigonometric identityRelated: Its periodic values appear throughout identities, often paired with cosine.

• Law of sinesNarrower topic: The law compares each side with the sine of its opposite angle.

• Indian mathematicsRelated: Indian astronomers developed sine tables and methods suited to astronomical calculation.

• Madhava of SangamagramaRelated: Madhava developed an infinite series for this function.

• History of trigonometryBroader topic: Its development from the Indian half-chord enabled compact tables and new computational methods.

• Bhāskara INarrower topic: Bhāskara’s approximation estimates this function for angles used in astronomical computation.

• Range of a functionBroader topic: Its oscillation attains every value from negative one to one.

• Ibn SahlRelated: The sine relation is central to the quantitative formulation associated with Ibn Sahl.

• Jamshid al-KashiRelated: Accurate sine values were essential to his astronomical tables and trigonometric work.

• Jeff BuckleyBroader topic: Buckley’s solo sets there brought him local attention and led to a live recording.

• Lami's theoremNarrower topic: The theorem's proportionality factors are sines of angles between force directions.

• Niven's theoremNarrower topic: The theorem restricts precisely the rational values this function can take at rational multiples of π.