Instructions Given the following points, find the vector, magnitude, and direction. Algebraic Vectors Given: A = (3,-7), B = (-2,3), C = (4,1). What is AB? (10,-5) (5,-10) (-10,5) (-5,10) 3 If sin = and cos find the EXACT value of cos(20). 25 cos (20) = type your answer... Previous b= type your answer.... Instructions Given the following points, find the vector, magnitude, and direction. Algebraic Vectors Given: A = (3,-7), B = (-2,3), C = (4, 1). 10 What is AB (i.e. the magnitude of AB)? Round your answer to three places after the decimal! Type your answer... 5 In AABC, b = 68 inches, B-65 and C-gg". Find the length of a to the nearest inch. What is the length of a, to the nearest inch? type your answer... Previous 7 Given a = (-4,7), = (-1, -9), = (3,0), compute b (ca) Type your answer... Previous 2 Use the difference formula for cosine to find the exact value of cos 15. cos(15) = Va+b C Note: a b for grading purposes! a= type your answer... b= type your answer... C= type your answer... Previous 6 X 32 yd W 21 24 yd V What is the area of the triangle to the nearest whole number? type your answer... Previous yd Instructions Given the following points, find the vector, magnitude, and direction. Algebraic Vectors Given: A=(3,-7), B = (-2,3),C= (4,1). 11 What is the direction AB to the nearest degree? type your answer... To approximate the length of a lake, a surveyor starts at one end of the lake and walks 245 yards. He then turns 110 and walks 270 yards until he arrives at the other end of the lake. 270 yd. To the nearest whole number, what is the distance across the lake? The lake is type your answer... 110 70 245 yd. yards across. To calculate this, you must use Answer Right Triangle Trigonometry Law of Cosines SOH-CAH-TOA Law of Sines EJ Mar 26 8 Given a = (-4,7), = (-1,-9), (3, 0) Compute 2 A type your answer... type your answer... Previous