All About Gyan

In given below image we share all trignomentic values like sin, cos, tan, cot, sec, cosec like 30°, 45°, 60°, 90°, 180°, 270°, 3…

Very very very most important math formulas for 9th, 10th, 11th, 12th, Neet, jee, Cet, etc.  1. (α+в)²= α²+2αв+в² 2. (α+в)²= (α-в…