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Homework 3 Solutions

# Homework 3 Solutions - 11 20 tan 18 ◦ tan 70 ◦ tan 70...

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Homework 2 Solutions Math 113 Spring 2009 1. Sine is opposite over hypotenuse 2. Cosine is adjacent over hypotenuse 3. Tangent is opposite over adjacent 4. They are the same thing 5. Draw a right triangle with one angle labeled θ . Then the other angle will be π/ 2 - θ . The result then follows. 6. It will have side lengths 17, 19, and 17 2 + 19 2 . 7. 19 2 - 6 2 feet 8. 24 sin 20 inches 9. 2 tan 3 miles 10. 25 tan 42 tan 42 + 3 meters

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Unformatted text preview: 11. 20 tan 18 ◦ tan 70 ◦ tan 70 ◦-tan 18 ◦ meters 12. 300 tan 43 ◦-tan 40 ◦ meters 13. 10 tan 43 ◦ tan 43 ◦-tan 40 ◦ meters 14. √ 180 2-140 2 feet 15. 40 tan 28 ◦ meters 16. 20 tan 72 ◦-tan 63 ◦ feet 1 2 17. 500 tan 32 ◦ tan 46 ◦ tan 32 ◦ + tan 46 ◦ meters 18. 60 sin 42 . 5 ◦ meters 19. 20 1-tan 15 ◦ feet 20. 24 tan 70 ◦ feet...
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Homework 3 Solutions - 11 20 tan 18 ◦ tan 70 ◦ tan 70...

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