Veazey, William Reed, 1883- ed, Hodgman, Charles David, 1881- ed, Chemical Rubber Company · Cleveland, Chemical Rubber Pub. Co. [etc.] · leaf 310
ORMLXAE (Continued) RELATIONS BETWEEN SIDES AND ANGLES OFANY PLANE TRIANGLEIn a triangle with angles A, B, and C and sides opposite a, 6,and c respectively, sin A sin B sin C tan a a =sA = - B2 b62 + C2-26& cos C + 62 + c2- 26ca — b a + 6 cc cos C COS a2 A. CO A .t§. ^^^ ^=hyl s{s-a) (s-b)… … a = d cot a - cot /3 301 TRIGONOMETRIC FORMULAE (Continued) RELATIONS IN ANY SPHERICAL TRIANGLE If A, B and C be the three angles and a,b, and c the oppositesides, sin A _ sin 5 _ sin C sin a sin b sin c , , • 7 • A cos b cos (c±0) cos a = cos 0 cos c +sin o sin c cos A = ^ - cos 0 where tan 6 =…
Chemistry · Physics
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