Arcsin calculator: Use our online Arcsin calculator and Inverse sine calculator (sin-1 calculator). Sin−1(x), Arcsin Definition: Definition of Arcsin provided by wikipedia: arcsin (trigonometry), the inverse trigonometric function of sine. In mathematics, the inverse trigonometric functions (occasionally called cyclometric functions[1]) are the inverse functions of the trigonometric functions (with suitably restricted domains). Specifically, they are the inverses of…

Arccos calculator: Use our online Arccos calculator and Inverse cosine calculator (cos-1 calculator). If you want to convert the result to a different angel use our online angle converter. Cos−1(x), Arccos Example Example 1: find the exact value for cos[arccos (-0.5)] If the cosine of 120° is -0.5 which give us cos (120°)=-0.5 then cos[arccos (-0.5)]=-0.5.…

Area of a quadrilateral Calculator using Bretschneider’s formula. Calculates the area and perimeter of a quadrilateral given 4 sides and 2 opposite angles. Try our online area converter. Related articles across the web Greg Rutherford wins bronze in long jump final plus women’s 100m final at Rio Olympics 2016