¿Qué es un indicador de Actividades mográfico? ¿Cuáles podemos utilizar para determinar la dinámica de la población?

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?