TRIGONOMETRY – the right-angled triangle



TRIGONOMETRY – the right-angled triangle

by Karinna Traxler, Vienna

designed for use in bilingual education



1. The bigger the angle the _________________________ its sine.

The bigger the angle the _________________________ its cosine.

2. a = 2.59, b = 1.75

c =

[pic] =

sin [pic] =

cos [pic] =

tan [pic] =

cot [pic] =

3. a = 3, c = 5

b =

[pic] =

sin [pic] =

cos [pic] =

tan [pic] =

cot [pic] =

4. a = 1.74, [pic] = 27.9°

c =

5.

6. [pic] = 38°, c = 4

a =

b =

7. a = 28

b = 50

Also check out:

look at the applets in „Geometrie“: Winkelmessung, Winkel an Parallelen, Winkelsumme, Strahlensätze.

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