Plane and Spherical Trigonometry in Three Parts |
Contents
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Common terms and phrases
angle AOB angle BAC angle of elevation angle subtended base centre CHAPTER circle circular measure circumference cosec cosine cotangent determine difference equal equation Example express find the angle Find the distance Find the height find the latitude find the side find the value formulæ given the Sun's greater haversine haversine formula inches inscribed L hav L sin less than 90 Let ABC mantissa meridian altitude miles negative observed obtain perpendicular plane triangle ABC polar triangle pole polygon positive prove quadrant radius regular polygon required to find right angles right-angled triangle Royal Naval College ship side BC sin.² sine sphere spherical angle spherical triangle ABC Spherical Trigonometry straight line tables tabular logarithmic tabular versine tangent tower triangle ABC find trigonometrical ratios Trigonometry vers yards