Alternate interior angles are pairs of equal angles formed on opposite sides of a transversal, but inside two parallel lines. Angles of elevation and depression are alternate interior angles. That is, ...

Trigonometry Formulas: There are very few topics in mathematics that trouble students more than trigonometry and calculus. In fact, it is the base of many advanced math concepts and is also utilized ...

Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles. Trigonometry is found all throughout geometry, as every straight-sided shape may be broken ...