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3. was sauae/> LED Unit 2 - — — TIME LIMIT: 30 minutes CALCULATOR: allowed SAVE THIS EXAMINATION: IT 1S. YOUR PROOF THAT YOU TOOK IT AT THIS TIME. What is the value of 4 sin(46°)esc{-514°) + 3 tan 34°) rounded to three decimal places? 4514 (462) ¢ A) -4.540 B) -1.118 C) -0.563 D) 0.762 E) 8,587 fe (er Frew (et) sin SIN} pay THe #208 Which of the following angles have 8" = 84° as reference angle? (4) 6 (6) 96° a3) 264° A) (i) only B) (ii) only C) (tii) only @ only (ii) & (it) E) All three : Let 9 = i and let 6' be the reference angle for 6. Which of the following equations are true? TFUF (i) sine = sine! (ii) cot @ = cot 0° (ii) cos 4 = cos a" A) (i) only B) (ifi) only C) onty (fi) & (iti) D) only (i) & (iif) E) All three sia prez? Py 2h Pe 539 Angles P and Q are between 0° and 360°, sin P = 0.3584 __ and cos Q = 0.9659 . Which one of the following is a possible (approximate) value for P + Q? Q’=15° A) 174°) 186° = @) 216° D) 324° By asae as ae 185 @, 43 Gz 6.175 gen G's LISE tan G2 7h4T Angles @ and ¢ are between 0 and 2x radians, sine = _-0.9162 and tan ¢ = -9,8662 . Which one of the following is a possible (approx imate) value for 6 + ory L679, 4.607 ote z 4. A) 3.453 B) 5.770 @ 6.797 D) 8.912 E) 9.736 sth z x Core tand © 1989 Department of Mathematics Colorado State University 
