Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
The function cos(t^2) represents cosine evaluated at t^2. It is often used in calculus problems to demonstrate how integrals and derivatives work with more complex functions.
A composite function is formed when one function is applied to another. In this case, we have cosine applied to t^2, resulting in cos(t^2).
Even Function: An even function is symmetric with respect to the y-axis. The cosine function is an example of an even function because cos(-x) = cos(x).