Solutions of the Questions in Plane Trigonometry |
Common terms and phrases
1+cos 1+tan 2B sin 2C A B C A+ cos A+ cos2 A+B A-B a+b+c a+B+y a+ß A₁ a²+b² a²+b²+c² ab+cd ad+bc b+c)² b²+c² C=cos C₁ centre cos 2A cos A cos cos A+ cos¹ cos² cos2 A+ cos³ cosec cot A+ cot cot cot cot ẞ cot² easy to show equation Examples on Chapter follows at once Let ABC Let the perpendiculars Let the required plane positive r₁ radius ratios required angle result follows right angles roots sec² Similarly sin 2A sin A cos sin A sin sin sin sin sin² sin2 A+ sin2A sin2B sin²C sin³ sine ẞ+y t=tan tan² tangent triangle values π π Υπ