Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann.
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190 tin~fifilung in bie ebene Zitgonometrie i~erfpelig ogber pitftnIeie ~aften. 17. 2teUe feft, ob bie logariti)mnifc errec6neten lutbrüude a) log sin 30~; b) log tg 45~; c) log cos 30~; d) log sin 60~; e) log tg 30~; f) log cotg 30~ mit bebt er Zafetl u entne)menben ibereinftimmen. 18. Setlce tgeilutngen getten a) tfijdcen log tg cc unb log cotg c, b) t-oi: icden log sin a, log cos a unb log tg c, c) tfiii)en log sin a, log cos a unb log cotg a? tib in jebem ~atte iir bie gefunbene 3e5iet)ung aue ber Safel ein paar 3eifpiete an. 19. eib eine ungefäfre grap)ifcte Zarfte:lung bom O3erfauf ber munttionen a) y =- log sin x, b) y =log cos x, c) y = log tg x, d) y =log cotg x. Seactte babei, ba[ bie 2ogarittmen ber:orm 9,1713 - 10 erft in negatite 3att)en umSuicdreiben Finb. 20. üiir wroele tintet änbert jic) a) log sin, b) log cos, e) log tg, d) log cotg am itartften, für nuetlce am Ctr o fften? Mit anberen äorten: 2o finb bie Zifferenben aufeinanberfolgenber 2ogarittmen groger, wto teiner? ertenun.g be re tEftWinkttigen Drei^e&. 21. 2n einem recttnoinffigen Sreied finb gegeben a) bie beiben att)eten a unb b, b) eine tattete a unb bie gtpotenufe c, c) ein fpiiter Sinfet a unb bie gtpotenuie c, d) ein fpiter 3intet c t unb bie g(egentattete a, e) ein fpiter Stinfet. unb bie 2tntattete b. Sn jebem aStte finb bie fel)enben Etüdfe hu berecnen. Unterfuce, wie man mögtictft Icnetü ~um giet tommt. 22. 9Retwtxinftigee Rreied (recter V3intel bei C) aus: a) a= 35,2 cm, h== 13,4cm; b) b 5,13m, hC- 4,28m; c) b = 13,68 m, f-= 3,33 m2; d) c - 22,3 cm, 7c = 17,8 cm; e) c= 25,8 m, f= 213,25 m2; f) a =15,3 cm, sa= 18,4 cm. 23. 2Son einem rectronintigen Sreied finb bie Satgeten 12 cm unb 5 cm gegeben. Seredne a) bie,töe, b) bie cattetenprojiettonen, e) bie 2eitent)albierenben, d) bie ealbierungtinien ber beiben fpiten W3intet. 24. Rected aue (e Ziagonate, r Umfreie): a) a =12,31 m; e = 17,85m; b) a= 2,5 cm; r = 1,9 cm. Sie SecSnuing ift one 23enuiung bee patiagoreifcien Setrfjare auIuiütiiren. 25. Senn y == mx +- n bie (tei4cung einer (eraben ift, jo bebeutet barin m bie,~teigung" ber (eraben, b. i. ben Sangene be SI3inietf, ben bie nac) oben gerictete ()erabe mit ber nactf rectt gerictteten x — %4fe bitbet. O3eredne ben S3intet für bie folgenben eeraben: a) y=-x; b) y = -2; e) y=2x+3; x 1 x d) J_2 3); e)y=- +2; f)y=5-x+6. 26. U3ie tautet bie (eteitung einer eeraben burcd ben sutlpunft, bie mit ber x —%cdje ben tSinfet a) 30~, b) 60~, c) 45~ bitbet?
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- Title
- Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann.
- Author
- Lietzmann, Walther, 1880-1959.
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- Page 189
- Publication
- Leipzig [etc.]: B. G. Teubner,
- 1916-20.
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- 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/acv4752.0001.001. University of Michigan Library Digital Collections. Accessed May 1, 2025.