1 Sprays and grease can leave a residue on non-stick pans that is difficult to remove. 2  Start by mixing water and baking soda to make a paste. 3  Spread the paste on the residue. 4  Scrub the surface with a nylon scrubber.
In mathematics, the inverse trigonometric functions (occasionally called cyclometric functions) 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.
Problems on inverse trigonometric functions are solved and detailed solutions are presented. Also exercises with answers are presented at the end of this page. We first review some of the theorems and properties of the inverse functions. Theorems. 1. y = arcsin x is equivalent to sin y = x. with -1 â¤ x â¤ 1 and - Ï / 2 â¤ y â¤ Ï / 2. 2. y = arcos x is equivalent to cos y = x. with -1 â¤ x â¤ 1 and 0 â¤ y â¤ Ï. 3. y = arctan x is equivalent to tan y = x. with - Ï / 2 < y < Ï / 2.