In what quadrants will an angle in standard position have a positive tangent value?
1 Answer
Jan 5, 2015
1st and 3rd quadrants. You can use the CAST diagram which tells you in which quadrants angles are positive. ie. cos (and its reciprocal sec) is + in the4th quad, All of them + in 1st quad, sin (and its reciprocal cosec) + in 2nd and tan and cot + in 3rd.