One meaning of forceful is all about physical strength: The forceful throw carried the football past the goalposts. Another way to be forceful is to be emphatic or vehement: The child's forceful refusal to go to bed could not be ignored by the sleepy babysitter. Forceful literally means full of force, and force comes from the Latin fortis, strong, firm, or steadfast.
In addition to being the 18th letter of the Greek alphabet, sigma also means 'sum' and 'deviation' in the mathematics world. Learn what each symbol looks like and how each formula works. High School Precalculus: Homework Help Resource / Math Courses.
A theta is the latin word for a specific symbol used in mathematical equations. The theta means the angle. You use the theta symbol to say angle. The symbol is useful when y â¦ ou don't know the degree of the angle is. * * * * * Theta is not Latin nor is it a word.It is a letter of the Greek alphabet.It is used to stand for an unknown angle in the same way that the Roman letters x or y are used in algebra.n trigonometry, theta is a symbol commonly used to represent an unknown angle in the same way you might use x to label an unknown side or an unknown number in general. Theta â¦ looks like this: Î¸. 2 people found this useful.