SOLUTION: Given Tan(a) = {{{ 5 }}} in the third Quadrant, and Sin(B) = {{{ 2/3 }}} in the second Quadrant, what is Cos(A-B)? Problem: https://s27.postimg.org/l1f9djdib/tan_a.png Thanks

Algebra ->  Test -> SOLUTION: Given Tan(a) = {{{ 5 }}} in the third Quadrant, and Sin(B) = {{{ 2/3 }}} in the second Quadrant, what is Cos(A-B)? Problem: https://s27.postimg.org/l1f9djdib/tan_a.png Thanks      Log On