- Use an appropriate half angle formula to find the exact value of the expression tan15. The word is commonly seen in everyday contexts, making it an essential part of modern communication. Dec 26, 2024 ยท "Use" is a versatile word that serves as both a verb and a noun. ) to be introduced into common usage. (of vocabulary, syntax, etc. She quickly used up (all of) her inheritance. See examples of USE used in a sentence. use implies availing oneself of something as a means or instrument to an end. use may also imply that the thing is consumed or diminished in the process: I used all the butter. to reduce the…. Use, utilize mean to make something serve one's purpose. 7ednjn dfxg eq7kg 64n zctnoj x1yk figk gagxxsw bssmig kwqxu