Class 8 / IIT Foundation Plus Maths / Multiples And Sub-Multiples / Definitions And Formulas List

Multiples And Sub-Multiples

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