Integral formulas

The "formula" for a non-base e integral
The integral of cosine to the power n
A "tricky" integral used in Multi-Dimensional Calculus
cosecant
secant
Integral of sine to the n-th power, and proof
Wallis's Formula and Kronecker's Rule
General form of a Quadratic integral
Properties Of Integrals
More Properties Of Integrals
Trigonometric Substitution