tridimensional profilestridualtriedertrigamma functiontriggertrigontrigonaltrigonal latticetrigonometrictrigonometric cofunctiontrigonometric confunctiontrigonometric equationtrigonometric formtrigonometric formulastrigonometric functiontrigonometric function inversetrigonometric functionstrigonometric identitytrigonometric inequalitytrigonometric integraltrigonometric inversetrigonometric inverse functiontrigonometric polynomialtrigonometric sensetrigonometric seriestrigonometric substitutiontrigonometric surveytrigonometricaltrigonometrical ratiostrigonometrytrihedraltrihedral angletrihedrontrilateraltrilineartrilinear coordinatestrilliontrimtrim losstrimetric skew axonometrytrimingtrimmedtrimmed meantrimodaltrimodaletrinartrinar operationtrinarytrinary operationtrinomial
