Tag Archives: NDA Maths Questions

[Advanced Mathematics] Trigonometry Formulae For All Competitive Exams TRIGONOMETRY Formulae:- 1 right angle  = 900 10 = 60′ {1 degree = 60 minutes} 1′ = 60” {1 minute = 60 seconds} Sides ratio in functions: L A L K K A P B P H H B L, P = Perpendicular A, B = Base […]