Question

Find the reference number for each value of t. t7T (a) 0 (b) 51 --5 t- 7 4 (c) t = 3771 6 7 6 t=4 .858 x Need Help? Read it Talk to a Tutor Submit Answer View P

Answer 1

1. 
   Solution :-@) t=77 Reference number: reference number associated with t is the Storfest distance between terminal point determined byt and the x-axis al the unit circle. along For t=77 0 reference numer is (b) t= -57 (Clock-wise direction 4. += 37. im ante clock wite direction). 4 t=37 is in 2nd quadrant 4 number Therefore reference on A-374 4* 4 T 4 Answer
   
   t- 377 6 t = 6X4A t = A ( In est quadrant) Therefore reference cage number IĄ Answer (d) t=4 tz 4 rad Now evert it in to degree 4 Ay 180° 229.383° Trat Therefore t=229.183° Now 229.183-188 reference number- 49.183 Answer