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CURRENT CHAPTER IS 15, Trig Functions

Current quizaroo #  15

                        1)  Which quadrant does the terminal side of -255o?
 

                                                             a) I
                                                             b) II
                                                             c) III
                                                             d) IV
                                                             e) Positive x axis
 
 
                        2) The point (5, 12) is on the terminal side of an angle in standard position.
                             What is the cosecant of the angle?

                                                                        a)  13/12

                                                              b)  12/13
                                                              c)  5/13
                                                              d)  13/5
                                                              e)  12/5
 

 
                        3)  Which quadrant is cos 5p/9 in?
 
                                                             a) I
                                                             b) II
                                                             c) III
                                                             d) IV
                                                             e) Negative x axis
 
 
 
                        4)   To four decimal places, find the cot 149o.
 
                                                             a)  -.6009
                                                             b)  1.2348
                                                             c)  .6009
                                                             d)  1.6643
                                                             e)  -1.6643
 
 
                        5)  To four decimal places, find sec 2.
 
                                                             a) 1.0006
                                                             b) .9994
                                                             c) -.4161
                                                             d) -2.4030
                                                             e)  undefined
 
 
 

                        6)  To tenths place and degrees, find the value of x in cos x = .9347.
 
                                                             a) .4o 
                                                             b) 1.0o
                                                             c) 20.8o
                                                             d) 35.7o
                                                             e) undefined
 
 
 
                        7) To tenths place and in degrees, find the value of x in cot x = 3.4526.

                                                                        a)  16.2o

                                                              b)  73.8o
                                                              c)  14.8o
                                                              d)  75.2o
                                                              e)  22.3o
 


                        8)  In triangle ABC, given angle C is right, angle A = 48o, and b = 14.
                             Find side c to two significant digits.
 
                                                             a) 19
                                                             b) 35
                                                             c) 21
                                                             d) 12
                                                             e) 16
 
 
 
                        9)  In triangle ABC with angle A = 47o, angle B = 64o, and c = 19.
                             Find side b to two signifcant digits.
 
                                                             a)  23
                                                             b)  15
                                                             c)  19
                                                             d)  18
                                                             e)  28
 
 
 
                  10)  In triangle ABC with a = 22, b = 11 and c = 12, find angle A to the tenth of a
                         degree.
 
                                                             a) 45o
                                                             b) 33.9o
                                                             c) 28.2o
                                                             d) 146.1o
                                                             e) 19.2o
 
 
 
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