Trivia Forge Play free →

In calculus-based trigonometry, what is the limit of (sin x) / x as x approaches 0?

Show answer

1

This fundamental limit is essential for deriving the derivatives of trigonometric functions. It can be proven geometrically using the Squeeze Theorem on the unit circle.

Would you remember this in 6 months?

Trivia Forge uses spaced repetition so facts stick. Free, no signup needed.

Turn on Trigonometry practice →

More Trigonometry trivia

In hyperbolic trigonometry, which function is defined as (e^x - e^(-x)) / 2?
In polar coordinates, an equation of the form r = a (where 'a' is a constant) describes what geometric shape?
In polar coordinates (r, θ), what formula is used to calculate the radius r from Cartesian coordinates (x, y)?
In polar coordinates (r, θ), what is the equivalent Cartesian coordinate x in terms of r and θ?
In polar coordinates, what geometric shape is represented by the equation r = 4 cos(θ)?
In spherical trigonometry, the sum of the angles of a triangle on a sphere is always what?

See all 147 →