SOLUTION: I need assistance in finding the sin(x/2), cos(x/2), and tan(x/2) from: {{{sin(x) = 12/13}}} with 0degrees < x < 90degrees sin(x/2) = cos (x/2) = tan (x/2) = Thank you.

Algebra ->  Trigonometry-basics -> SOLUTION: I need assistance in finding the sin(x/2), cos(x/2), and tan(x/2) from: {{{sin(x) = 12/13}}} with 0degrees < x < 90degrees sin(x/2) = cos (x/2) = tan (x/2) = Thank you.      Log On