Solved Exam for Numerical Trigonometry | MATH 125, Exams of Mathematics

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ay. s\n TAS | iss beds 3 3 xin so caseese Pc Unit 1 Si/nog TIME LIMIT: 30 minutes CALCULATOR: allowed SAVE THIS EXAMINATION. ris WunlileoP neg YOU TOOK IT AT THIS TIME. — 1. What is the (approximate) degree Measure of the angle shown? A) -30° B) 30° C) -60° D) 60° E) 75° 2. What is the degree measure of an angle of ote radians, expressed to the nearest thousandth of a degree? A) 688.256° 8) 691.271° — @) 694.286") 697.3012 _E) 700.316° 3. The point (0, -1) is on the terminal side of angle @ in standard position. What is the value of 5 cot @ - 3 csc 8 A)-5 B)-2 c)o @}3 €) undefined CQ) -3(50) Ort 4. Angles isa quadrant III angle and sec 6 + What is the value of Stan 9 = 3 csc 0, rounded to 2 decimal places? 146 ~z5 ye vi A) 1.71 B) 6.27" €) 11.46 =D) 24.13 E} 26.61 8( 74 ~3(1.07) x ) ) (i578) - - 3s oa) { ) #6 40 ' 5. Tane = Plan cos © is positive. What is the value of 4 sin @ = 7 sec rounded to 2 decimal places? A) 8.79 B) 5.35 C) 0.60 D) -7,32 E) -15.30 "(a so) 7 7 ) 2.33 - 8.6 © 1989 Department of Mathematics Colorado State University