Homework 2 Solutions - Homework 2 Solutions Math 113 Spring...

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Homework 2 Solutions Math 113 Spring 2009 1. We use a triangle with opposite labeled 0, adjacent 1, and hypotenuse 1. 2. We use a triangle with opposite labeled 1, adjacent 3, and hypotenuse 2. 3. We use a triangle with opposite labeled 3, adjacent 1, and hypotenuse 2. 4. We use a triangle with opposite labeled 1, adjacent 1, and hypotenuse 2. 5. We use a triangle with opposite labeled 1, adjacent 0, and hypotenuse 1. 6. We use a triangle with opposite labeled 0, adjacent 1, and hypotenuse 1. 7. sin 270 = - 1, cos 270 = 0, tan 270 = und, csc 270 = - 1, sec 270 = und, cot 270 = 0 8. 1 + 3 2 9. θ = 11 π/ 4 , 13 π/ 4 10. α = 315 11. cos γ = - 15 / 4 12. 3 / 4 13. sin 450 = 1, cos 900 = - 1, tan 1000 π = 0 14. ± 3 12 15. ± 2 4 16. ± s - 1 + 5 2 17. sin x = ± 1 1
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2 18. sin θ = 3 10 10 cos θ = - 10 10 19. sec A - 1 sec A + 1 + cos A - 1 cos A + 1 = (sec A - 1)(cos A + 1) + (cos A - 1)(sec A + 1) (sec A + 1)(cos
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This note was uploaded on 04/29/2009 for the course MATH 113 taught by Professor Rosay during the Spring '07 term at University of Wisconsin Colleges Online.

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Homework 2 Solutions - Homework 2 Solutions Math 113 Spring...

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