Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann.
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26 'bene trigonometrie 5sBit Oietdtiungen mit ltWei bitnbekanntren 11. eegeben ift nBp == - unb P -t- 4' =. a) 3itbe ben errt bon sin, + n' in p + in unb forme i)n in ein ßrobult um. b) Unter Becactung beffen, baf sin (p - sin ip T) + 4- betannt ift, ftelfe eine (lSeiungt für gp - ', auf. Zaraus laffen fic bei gegebenen riröjen m, n unb ~c bie unnetannten intetf berecnen. 12. 2ofe bie Oteicungen a) =o0,2242; p+ -3250; sin ip b)S1inf92 p + T-90~ c) in = -0,7018; p - = 1520 24'. ~ 7..errrl tnung tun Dr'riren itnb!ierriier n. mDe ~tDcirfik[iqr. 1. (Veieber4olung.) Setrueife a) ben einunfa#, b) ben eofinuutfat für beliebige ereiede. 2. (Siebertoftung.) Irüde bent ntaItt bee Zreiedc a) bur troei eeiten unb ben eingefcdtoffenen Wintet, b) bunr) eine ~eite unb bie brei Sintet aun. 3. ( atbwrinteltfae.) a) erfet~ein sin 2 1 2 (gl. ~ 5 r. 19) cos a bunrc ben Sert, ber fic) aue bem (ofinuncat ergibt, fü4tre s = -(a + b + c) ein unb forme ben %utbrtt um in (1) sinl - | (s-b) c b) Seite in aänlicer Weife, ~on cos - = / " s anuge4enb, (2) cos2 y ( a 4er. e) 2eite aun (1) unb (2) bie o:ormet (3) tg a -= s (s- a) ter. d) 2eite bie gormel (3) auL ben btei! ormein für ben taäc)enin)alt (Unterftnfe, ~ 18, Knufg. 9 unb 10, ~ 21, Xtufg. 11) F = Vs (s - a) (s - b) (s - c) F= Q s
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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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https://name.umdl.umich.edu/acv4752.0002.001
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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 April 30, 2025.