How to calculate the Trignometric ratios of multiple angles and sub-multiple angles ?

Trigonometric ratio OF Multiple angle

Trigonometric ratio OF Multiple angle

Trigonometric formulas for multiple angles

Trigonometric formulas for multiple angles

Trigonometric ratio OF multiple angles (2θ,3θ,4θ) || sub multiple angles (θ/2 ,θ/4....)

Transformation Formula And Trigonometric Ratios Of Multiple Angles

Tan (A1+A2+A3+a4)=(S1-S3+S5-S7+)/(1-S2+S4-S6+..):: Refer-Cengage -3.12:: Refer-Trigonometric Ratios Of Multiple And Sub-Multiple Angles

Multiple of angles Questions

Questions based on Multiple of angles

Trigonometry Ratio OF Multiple angle || Multiple angle & Submultiple angle and basic illustration