## A Syllabus of Plane and Spherical Trigonometry ... |

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MATH MATICS

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algebraical sign arc in terms bisect CHAP chords circumference coefficients cos A cos cos A sin cosec A cosec cosē cot A cot deduced determined equation express the sine formulae given hence inscribed last article logarithmic measured method multiplying negative number of sides observed obtain perpendicular plane triangle polyhedron proved quadrant quantities radii radius regular polygon regular polyhedron right angle right-angled triangle roots sec A sec secant secant and cosecant secē sides and angles similarly sin A cos sin A sin sines and cosines sinē solid angle solution sphere spherical excess spherical triangle straight line substituting subtended subtraction suppose tables tangent Theorem triangle in terms trigonometrical functions vers versed sine whence