Popular California Cities. 1  Long Beach. 2  Los Angeles. 3  San Diego.  San 1  Francisco. San Jose.  Ventura.
The common schoolbook definition of the sine of an angle in a right triangle (which is equivalent to the definition just given) is as the ratio of the lengths of the side of the triangle opposite the angle and the hypotenuse, i.e., (1)
sine qua non noun [S]. âº a ânecessary âcondition without which something is not âpossible: An âinterest in âchildren is a âsine âqua ânon of âteaching. (Definition of sine qua non from the Cambridge Advanced Learners Dictionary & Thesaurus Â© Cambridge University Press). See all translations.