Attempt following question by selecting a choice to answer.
c
If
270° < ∠ C < 360° and
cos C = 35, then find the value of
tan C2.
e cA.
c12B.
c-
23C.
c-
12D.
c-
43
c
C
Step 1: cos C = 35, 270° < ∠ C < 360°
Step 2: C2 is a second-quadrant angle.[135° < C2 < 180°.]
Step 3: tanC2 = - 1-351+35[Use tan C2 = - 1 - cosC1 + cosC and cos C = 35.]
Step 4: tanC2 = - 2585 = - 25 ×58 = - 12