abstract:In mathematics, the inverse trigonometric functions (occasionally called cyclometric functionsFor example ) are the inverse functions of the trigonometric functions (with suitably restricted domains). Specifically, they are the inverses of the sine, cosine, tangent, cotangent, secant, and cosecant functions.
This paperintroducesacomputationmethodoftrigonometricfunctionsandinverse trigonometricfunctions in microprocessorby usrof combinationbinaryfixed pointoperationwithlook-uptable.