Wentworth, G. A. (George Albert), 1835-1906 · Boston, Ginn & company · leaf 411
mpv ns cos = > tan = —, nqr pv nqr qr sec = —1—<) esc =-^—.ns mpv ms p2q2 + q-s2 = p2s2 ; in (iv) m2n2s2 + m2p2v2 = n2q2r2. --T\\ = cosB; cos^ = iff = ~: - 143 — CSC if| = sinJ5; tan^=^3 ££ = tan 5; sec A = Iff = esc B; esc A = ±£g- = see B. f f = cos B; cos J. = 22e\ = sin -B J tan ^ = *$£ —… … v2pq cos A = — = P + q — sin B cot A = V2 pq V«2 = tan B /p2 + q<esc J. = ^ = sec B. Vp2 = sin B
Trigonometry · Surveying · Navigation
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
