Trigonometry can be used in finding the measure of the angles, their function values and also the sides of a triangle. The 6 trigonometric functions can be used to find the remaining side or angle in a right triangle. These calculations give rise to trigonometric ratios in a right triangle.
Given a right triangle:
The popular and best way to remember this order is “SOH CAH TOA”
Examples: Find the values of sin(θ),cos(θ),tan(θ),csc(θ),sec(θ),cot(θ).
Example: Find the hypotenuse of the triangle given a side and an angle.
Example: Find the angle measure in degrees and in radians, given 2 sides.
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|You can also, Read our other blog Introduction Trigonometric Functions|