- trigonometric measurement
- trigonometric moment
- trigonometric moment problem
- trigonometric polynomial
- trigonometric power formula
- trigonometric problem
- trigonometric product formula
- trigonometric pseudo-spectral method
- trigonometric ratio
- trigonometric regression
- trigonometric representation
- trigonometric series
- trigonometric series formula
- trigonometric solution
- trigonometric substitution
- trigonometric sum
- trigonometric-sum estimate
- trigonometric system
- trigonometric transformation
- trigonometric (= trigonometrical)
- inseparable isogeny
- inseparable morphism
- inseparable polynomial
- inseparable rational mapping
- inseparable sets