Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann.
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20 ebene xtigonoometxie 31.1) Zeftimme bie V3infeI 5oificen 0~ unb 360~, für bie bie beotangenefunttion bie folgenben QVerte tat: a) 0,5317, b) 2,0503, c) 1,2203, d) 1,6000. e) 1,23490, f) 0,70021, g) 4,84300, h) 1,11111. ite rtie+tungen br Mtntielfunhciittnn unt:eminanber. 32. Unterfujce bie üiiftigteit ber folgenben gormein iür ben erweiterten gunftionebegriff a) sin2 a + cos2 - 1; sin a b) cos a g a; e) tg a cotg c -= 1. 33. a) 0felten bie gormein sin = cos (90~ - o) cos a= sin (900- a) tg ca - cotg (90~ - a) cotg a =tg (90~ -a) audc bann, wenn ~ ein beliebiger (nitt nur ein fpter) StinteI ift? b) etette entjpreceenbe eormetn auf, itenn 900 burc 270~ erlfet toirb. 34. (3Steiter @at ber abioiuten Setrage.) e( iSt |sinac| = cos ß; tcos al-Isinpl; |tg a j=c tg= l cotgl cotg a = tg P1; vwenn a) bie numme, b) bie ifferenä betr Sinte cc unb ß ein ungerabee 2ielt fadce~ ton 900 ift. Bewteie bacl ~er IVert )er tnunfunft1hun für hlteine inftel. 35. 2erecne fuür a) x = 0,1, b) x = 0,01, e) x = 0,001. D 36. Zsn ber gig. 8 ift ber Rreieanfcinitt BIMC groöer alt bae T reief.MAB unb teiner alt ba SZreied MCD. 5ringe biefe Ungleiungen in eine anbere jorm, \ inbem bu bie auftretenben rköoen bunt ben tatbint MC = r nnb ben in togenmas gemejfenen Minfef cc autt bbrüdft. 2eite baraut eine obere unb eine untere erenäe lkf.I C Iiir sin o a. 37. O(it auf (runb ber Überlegungen in 9r. 36 f~io~. s, x sin x 888 / ~ ben n renoetrt an, bem a) e in b) sin Bftrebt, wenn, sin x- X, x fif beIiebig bem wgert 0 nätert. 1) Siete tnmetrtng 2 ion boriger ceite.
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About this Item
- Title
- Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann.
- Author
- Lietzmann, Walther, 1880-1959.
- Canvas
- Page 9
- Publication
- Leipzig [etc.]: B. G. Teubner,
- 1916-20.
- Subject terms
- Geometry -- Problems, exercises, etc.
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"Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann." In the digital collection University of Michigan Historical Math Collection. https://name.umdl.umich.edu/acv4752.0002.001. University of Michigan Library Digital Collections. Accessed May 1, 2025.