Math 111 Final

Math 111 Final - MATH 111 - Final - Summer 2011 - Section 1...

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Unformatted text preview: MATH 111 - Final - Summer 2011 - Section 1 No books, notes, or calculators allowed. There is no time limit. 1. In a right triangle, A = 53 and b = 6. Find the length of the hypotenuse c . (a) 6 sin(53 ) (b) 6 sin(53 ) (c) 6 cos(53 ) (d) 6 cos(53 ) (e) 6 tan(53 ) (f) 6 tan(53 ) 2. A 20 foot extension ladder leaning against a building makes a 68 angle with the ground. Find how far up the building the ladder reaches. (a) sin(68 ) 20 (b) 20 sin(68 ) (c) cos(68 ) 20 (d) 20 cos(68 ) (e) tan(68 ) 20 (f) 20 tan(68 ) 3. Use the Complementary Angle Theorem to find tan(25 ) cot(65 )- sec(25 ) csc(65 ) (a)- 1 (b) 1 (c) 0 (d) 2 (e)- 2 (f) 1 2 4. A triangle has angles A = 45 and B = 105 with side b = 2. Find the length of side c . (a) 6 (b) 2 (c) 6 + 2 (d) 6- 2 (e) 1 (f) 2 2 5. Determine how many triangles can be produced with the given information: a = 3, c = 1 and C = 30 ....
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Math 111 Final - MATH 111 - Final - Summer 2011 - Section 1...

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