त्रिकोणमिति
Trigonometry Trigonometric Ratio Formulas Sin θ = Perpendicular/Hypotenuse ( p/h) Cos θ = Base/Hypotenuse (b/h) Tan θ = Perpendicular/Base (p/b) Sec θ = Hypotenuse/Base (h/b) Cosec θ = Hypotenuse/Perpendicular (h/p) Cot θ = Base/Perpendicular (b/p) h2 = p2 + b2 p2 = h2 – b2 b2 = h2 – p2 Reciprocal Identities Sin θ = …