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 in Culture Expand. sine qua non [(sin-i kwah non, nohn)] The essential, crucial, or indispensable ingredient without which something would be impossible: âHer leadership was the sine qua non of the organization's success.â From Latin, meaning âwithout which nothing.â.