Trigonometry close trigonometry The study of sides and angles in triangles. can be used to find a missing angle in a right-angled triangle when two sides are known.. An understanding of the three ...

To find the missing angles in an equilateral triangle, divide the sum of interior angles in a triangle by 3 In an isosceles triangle , two of the sides are equal. This means two of the angles are ...

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 ...