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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(30º) = 2
2. tan(45º) = 2/2
3. csc(210º) = -2
4. sec(330º) = 2 3/3
5. sin(60º) = 3/2
6. sin(45º) = 2/2
Start a new line.
7. tan(135º) = -1
8. sec(60º) = 2
9. sin(30º) = 1/2
10. cos(45º) = 2/2
11. tan(210º) = 3/3
12. csc(135º) = 2
13. sec(135º) = - 2
14. tan(315º) = -1
15. tan(225º) = 1
Start a new line.
16. sec(315º) = 2
17. cos(120º) = -1/2
18. sec(330º) = 2 3/3