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)
Sinus (Definition) 1  In anatomy, a sinus is a cavity within a bone or other tissue. 2  A burning sensation can be descriptive of nerve pain, some variations of migraine, and even central brain problems after a stroke. 3  Basically a cavity is a hole, or defect in the tooth structure.