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Test1Trig - )+2 e) sin( π 2 x )-2 [10 points] III. Free...

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Name: MAC 1114 Test 1 09/20/2007 SHOW ALL YOUR WORK. Answers without procedure will be graded zero. [2 points] I. Complete the values (like seen in class) on the following triangles. [8 points] II. Multiple Choice 1. tan 90 = 0 True False 2. csc( π 4 ) - 1 cos( π 4 ) = 0 True False 3. If sec θ = 1 2 , then cos θ = - 1 2 True False 4. csc( - θ ) = - csc( θ ) True False 5.- - 5 π 4 radians= a) 225 b) - 225 c) 450 d) - 450 e) 120 6.- cos(10 ) cos(80 ) tan(10 ) = a)10 b) -10 c)1 d) 0 e) -1 7.- If α is the reference angle of - 55 and β is the reference angle of 9 π 4 then a) α = 35 b) α = 55 c) α = - 55 d) α = 55 e) α = 315 β = - π 4 β = 3 π 4 β = π 4 β = π 4 β = π 4

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8.- Choose a suitable equation for a) y = sin(4 x )+2 b) y = cos( π 2 x ) - 1 c) y = - sin( 1 2 x )+2 d) - sin( π 2 x
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Unformatted text preview: )+2 e) sin( π 2 x )-2 [10 points] III. Free Response 1.- Suppose the minute hand of a clock is 6 inches, consider the position of the minute hand at the time our class starts. What would be the time when the minute hand has traveled an arc of 8 π ? 2.- Given cos θ = 2 √ 5 and tan θ < 0 ﬁnd: a) sin θ b) sec 2 θ c) tan( θ + 3 π ) 3.- Compute sin θ , cos θ and tan θ , for θ =-570 ◦ . (You may use any of the techniques learned in class, using coterminal angles, reference angles, even-odd properties or periodicity. ..)...
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This note was uploaded on 12/27/2011 for the course MAC 1114 taught by Professor Gentimis during the Spring '11 term at University of Florida.

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Test1Trig - )+2 e) sin( π 2 x )-2 [10 points] III. Free...

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