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" В sin (A — B) = sin A cos В — cos A sin В cos (A — B) = cos A cos В + sin A sin В . ,-.. tan A + tan В . . _,. "
The elements of plane and spherical trigonometry. [With] Key - Page 156
by William Rossiter - 1868
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Mathematical Tables: Containing the Common, Hyperbolic, and Logistic ...

Charles Hutton - Logarithms - 1842 - 450 pages
...cos. в — cos. A sin. в. 3. cos. (A + в) = cos. A cos. в - sin. A sin. в. 4. cos. (A -•- в) = cos. A cos. в •+• sin. A sin. в. tan. A + tan. в э. tan. (A + в) = - - - - - - . 1 — tan. л tan. в . tan. A - tan в o. tan. (A — в) = , 1...
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Mathematical Tables: Containing the Common, Hyperbolic, and Logistic ...

Charles Hutton - Logarithms - 1855 - 462 pages
...A cos. в — cos. A sin. в. cos. (A + в) = cos. A cos. в — sin. A sin. в. cos. (* —- в) = cos. A cos. в + sin. A sin. в. tan. A + tan. в tan. (A + в) = . 1 — lau. A tan. в , tan. A — tan в tan. (A - в) = — — tan. A tan. в (sin....
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Mathematical Exercises ...

Samuel H. Winter - 1864 - 348 pages
.../1 — COS 2 A sin 2 A ~ -\/ 1 + cos 2 A' Sin (A + в) = sin A cos в + cos A sin в; Cos (A + в) = cos A cos в + sin A sin в. . tan A + tan в Tan (A±°)=lq:ta-AtanB-' Sin A + sin в = 2 sin i (A + в) cos l (A — в); Cos A + cos в = 2 cos...
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The Civil Engineer's Pocket-book

John Cresson Trautwine - Civil engineering - 1919 - 1650 pages
...and. changing B to — В, we have sin (A — B) = sinA. cos В — cos A . sin В ; cos (A — B) — cos A . cos В + sin A . sin В : tan A — tan В Table of Natural Sines, Tangents, Cotangents and Cosines. Pages 98 to 142. et ctç^^^'^'^ooôïcncrçoooDi^t^îDçoîra...
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Astronomical Tables and Formulæ Together with a Variety of Problems ...

Francis Baily - Astronomy - 1827 - 340 pages
...sin A. cos В — cos A. sin В 3 cos (A + В) = cos A. cos В — sin A. sin В 4 cos (A — B) = cos A. cos В + sin A. sin В „ tan A + tan В 5 tan (A + B) = т— - — =v 1 — tan A . tan В „. tan A — tan В 6 tan (A — В) = т =;vl...
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Comprehensive Objective Physics

Narinder Kumar, Dr. J. K. Juneja - 2006 - 1854 pages
...IMPORTANT FORMULAE OF TRIGONOMETRY (/) sin (A + B) = sin A cos В + cos A sin В (¿i) cos (A + В) = cos A cos В - sin A sin В tan A + tan В (tu) tan (A + В) = — — l- tan A tan B (iv) sin (A - В) = sin A cos B - cos A sin B (v) cos (А...
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Solutions to Engineering Mathematics Vol - III

C.P. Gandhi - 2008 - 598 pages
...sin (A — B) = sin A cos В — cos A sin В cos (A + B) = cos A cos В - sin A sin В cos (A - B) = cos A cos В + sin A sin В tan A + tan В tan (A + B) = 1 - tan A tan В tan A - tan В tan (A - B) = ^ т T~ ñ 1+tan A tan В 1 + tane tan...
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Logarithmic Tables II

152 pages
...cot2e = 2. -sin|A±B) = COS (A ± B) = tan(A±B) = COt|A±B) sec29 cosec26 sin A cos В ± cos A sin В cos A cos В ± sin A sin В tan A ± tan В 1 ± tan A tan В cot A cot В ± 1 cot В ± cot A sin (A -i- B) sin (A - B) = sin2A - sin2B = cos2B...
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Differential Calculus Made Easy

Deepak Bhardwaj - 2007 - 1018 pages
...-tan2 9 = l cosec2 9 - cot2 9=1 (Hi) sin (A ± B) = sin A cos В ± cos A sin В (iv) cos (A ± B) = cos A cos В + sin A sin В tan A ± tan В (v) tan (A ± В) = ~^=~ 7~7 ñ 1 + tan A tan В 1 + tan в sin (A ± В) tan A ± tan В = A ^ cos...
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