Class 9 / IIT Foundation Plus Maths / Multiple And Sub-Multiple Angles / Formulas And Proofs

Multiples And Sub-multiple Angles

Multiples And Sub-multiple Angles  If A,2A, 3A ...... are called multiple angles, then \(\frac{A}{2},\,\frac{A}{3},\,\frac{A}{4}.....\) are called sub multiple angles.     1) sin