Download TRIGONOMETRY – the right-angled triangle

TRIGONOMETRY – the right-angled triangle
by Karinna Traxler, Vienna
designed for use in bilingual education
http://www.univie.ac.at/future.media/moe/galerie/wfun/wfun.html#winkelf
1. The bigger the angle the _________________________ its sine.
The bigger the angle the _________________________ its cosine.
2. a = 2.59, b = 1.75
c=
 =
sin  =
cos  =
tan  =
cot  =
3. a = 3, c = 5
b=
 =
sin  =
cos  =
tan  =
cot  =
4. a = 1.74,  = 27.9°
c=
5.
6.  = 38°, c = 4
a=
b=
7. a = 28
b = 50
Also check out: http://www.muenster.de/~stauff/bewmath.html
look at the applets in „Geometrie“: Winkelmessung, Winkel an Parallelen,
Winkelsumme, Strahlensätze.