30 сент. 2022 г. · This contains a list all the Trigonometry Formulas for class 11 . Formula includes Basic Formula,half angle ,sum and differences, ...

h θ= b p b tanθ= cotθ= b p. 1. 1 sinθ= cosecθ= cosecθ sinθ. 1. 1 cosθ= secθ= secθ cosθ. 1. 1 tanθ= cotθ= cotθ tanθ sinθ cosθ tanθ= cotθ= cosθ sinθ.

Trigonometric Ratios of Allied Angles The angles — θ, 90° ± θ, 180° ± θ, 270° + θ, 360° —θ etc., are angles allied to the angle θ, if θ is measured in degrees.

Basic Trigonometric Formulas for Class 11 · sin2A = 2sinA cosA = [2tan A /(1+tan2A)] · cos2A = cos2A–sin2A = 1–2sin2A = 2cos2A–1= [(1-tan2A)/(1+tan2A)] · tan 2A = ...