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Unformatted text preview: B3. For the triangle shown, sin θ = _____ and cos θ = _______ . a) a/b, b/c b) b/c, b/a c) b/c, a/c d) b/a, a/c B4. Given two equations: T mg = α sin , mg T = cos 5 ; solve for α * Ideally, you should only need a calculator for C1 & C3. H L W θ c a b θ Vectors and Calculus C1. A woman walks 12 paces north and then 6 paces west. How far is she from her starting point and in what direction is her displacement? a) 13 paces, 24 o N of W b) 13 paces, 24 o W of N c) 18 paces, 24 o N of W d) 18 paces, 24 o W of N C2. Given 2 2 sin 3 x y = find dx dy and 2 2 dx y d . C3. A sailboat is moving forward at a speed of 6 knots. A gauge attached to its mast indicates a wind speed of 12 knots at an angle of 60 degrees, both relative to the boat. What is the wind speed relative to the water? C4. Evaluate the definite integral . 60 o boat relative to water wind relative to boat...
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- Fall '08
- Trigonometry, Rihanna, Tanisha Billups Physics, sin x. B2, Diagnostic Math Test