let sin t=a, cos t=b and tan t=c. write the expression in terms of a,b, and c..

let sin t=a, cos t=b and tan t=c. write the expression in terms of a,b, and c. sin(t+6pi) – cos(t+2pi)+tan(t+pi)

let sin t=a, cos t=b and tan t=c. write the expression in terms of a,b, and c.