\

6.6a Solving Trigonometric Equation (Basic Equation in sinx/ cosx/ tanx/ cosecx/ secx/ cotx)

6.6 Simple Trigonometric Equations Steps to solve simple trigonometric equation: (1) Determine the range of values of the required angles. (2) Find a basic angle by using calculator. (3) Determine the quadrants the angle should be. (4) Determine the values of angles in those quadrants. (A) Solving Trigonometric Equation (Basic Equation in sinx/ cosx/ tanx/ … Read more

6.2a Six Trigonometric Functions of Any Angle (The definition of sin, cos, tan, cosec, sec and cot)

6.2a Six Trigonometric Functions of Any Angle  (A) The definition of sin, cos, tan, cosec, sec and cot 1. Let P (x, y) be any point on the circumference of the circle with centre O and of radius r. Based on ∆ OPQ in the above diagram, 2. The definitions of tangent, cotangent, secant and cosecant of any angle are: 3. The … Read more