2
__1. A. 1
__2. 5π/4B. √3/2
__3. 90°C. 0
__4. Cos 5π/4D. 1/2
__5. Cos π/6E. E
__6. Sen 0F. 225°
__7. Sen 3π/2G. π/2
__8. Sen π/6H. -1
__9. Tan π/2I. -√2/2
__10. Tan π/4J. 360°
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