tan00 and is in Quadrant lll sin20 cos20 tan20 Choose the qu

tan00 and is in Quadrant lll. sin20 cos20 tan20 Choose the quadrant in which 20 is located. O A. I Click to select your answer(s). O C. IV

Solution

If is in the 3^rd quadrant and tan = ¾, then sin = -3/5 and cos = -4/5. Then,

Since sin2 , cos2 are both positive, hence 2 is in the 1^st quadrant. Option A is the right answer.