Plane Trigonometry for the Use of Colleges and Schools: With Numerous Examples

A+B+C angle increases angles included angular AP coincides approximately arithmetical progression calculated Cambridge centre circular measure circumscribed circle cloth cos² cos³ cosec cosine cotangent Crown 8vo deduce denote distance draw PM equal equation error example expression factors Fcap formula four right angles given angle given log greater h cot height Hence inscribed circle integer less logarithmic sine number of degrees observed obtain places of decimals plane positive angle positive integer preceding article prove quadrant quantity radius regular polygon right-angled triangle sec² secant Second Edition shew shewn sides Similarly sin A sin sin² sin³ sine sine and cosine subtend suppose Table tabular logarithmic tan-¹ tan² tan³ tangent theorem tower triangle ABC Trigonometrical Functions Trigonometrical Ratios Trinity College unity zero π π