Vusala Allahverdieva, Ziba Rahimova, Dilbar Gasimzade

Abstract. The article shows the solution of some mathematical problems by the method of trigonometrical application. Ways of applying the concept of trigonometry to other sciences, including the measurement of geometric and mathematical quantities and calculations in many mathematically complex issues, have been investigated.

Keywords. Trigonometry, triangle, parallelogram, area, diagonal, side, sine theorem, equality, constraint, variable, parameter