Take a look other related calculators, such as: Also, learn about fractions with our Fractions Calculator. If you have other problems, you can also use our Trigonometric Functions Calculator, Cotangent Calculator, Tangent Calculator, and Power Reducing Calculator. In addition, you will learn what are and how to use trigonometry formulas. This article provides you with tips on how to use a Trigonometry Calculator, what cos is in trigonometry, how to do trigonometry. In the second part of the trigonometry calculator, you can calculate the triangle sides or angle of right triangle trigonometry. You can use it to find the values of sine, cosine, or tangent and cotangent in the first part of the calculator. With the help of a trigonometry calculator, you will be able to solve two trigonometric problems.