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© 2008, A. Azzolino   www.mathnstuff.com/papers/condots/reuter.htm

Oscar Reutersvard's Penrose Triangle:
You Can Draw It. You Can't Build It.

Answer each question, leaving answer in simplest radical form.
Connect the answer dots in order.
Start a new line.
1. csc(30°) = 2
2. tan(45°) = 1
3. csc(210°) = -2
4. sec(330°) = 2 3/3
5. sin(60°) = 3/2
6. sin(45°) = 2/2
Start a new line.
7. tan(135°) = -1
8. sec(60°) = 2
9. sin(30°) = 1/2
10. cos(45°) = 2/2
11. tan(210°) = 3/3
12. csc(135°) = 2
13. sec(135°) = - 2
14. tan(315°) = -1
15. tan(225°) = 1
Start a new line.
16. sec(315°) = 2
17. cos(120°) = -1/2
18. sec(330°) = 2 3/3