Sun Destroyer

Trigonometric Ratios Trigonometrical Ratio Introduction Concept of Perpendicualr, Base, Hypotenuse Notation of Angles Relations Between Trigonometrical Ratio Trigonometrical Ratio Table Introduction:  "Trigonometry"  is an important branch of mathematics. The word ' Trigonometry' made by two Greek words; trigonon and metron. The word trigonon means a triangle, the word metron means measure. So that we known that Trigonometry is the way were we introduced with the science of measuring an triangles. In 3rd century BC. Concept of Perpendicular (height), Base, and Hypotenuse in a Right Angle Triangle: For any acute angle in a right-angled triangle; Perpendicular is the side opposite to the acute angle; the side adjacent to it is called Base ; Hypotenuse is the side opposite to its right angle. Example: Angle : Let's Consider a BA ray. If this ray rotates through its origin B and takes the position BC, then we say that the angle...