Wentworth, G. A. (George Albert), 1835-1906 · Boston, Ginn & company · leaf 411
v2pq cos A = — = P + q — sin B cot A = V2 pq V«2 = tan B /p2 + q<esc J. = ^ = sec B. Vp2 = sin B … = sec 5. cot A = <?—M = tan 2?; esc ^1 = -—- = sec B.p-q 14. sin Asec .A 15. sin Asec .4 cot A = I; : f-; cos A = £ V&; : | Vb.; esc ^4 = f. tan ^4 = 2 ; tan ^. = | V5 ; cot A = \ VI; ANSWERS 3 16. sin A = i(5+V7); cosA = \(b-V7);tan A = I (16 + 5 V7); cot ^i = £ (16 - 5 V7);sec A = f (5 +…
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