Trigonometry
Hello, Students, SSC CHSL exam is going on and SSC CGL Pre 2017 is scheduled in the month of June/July 2017. Now It’s Important to learn and revise all the important Formulas of advanced maths. We’ll provide you all the tricky notes and formulas. these notes are based on the type of questions that are asked in SSC CGL exam.
Sector
π radian = 180°
If an arc of length ‘s’ subtends an angle θ radian at the centre of a circle of radius, r then s = rθ.