Give sin x = 3/5 and x is in qudrant 2, what is the value of tanx/2?

Need an artist designed a badge for a school club. figure abcd on the coordinate grid below shows the shape of the badge: the badge is enlarged and plotted on the coordinate grid as figure jklm with point j located at (2, -2) and point m is located at (5, 4). which of these could be the coordinates for point l? a. (2, 4) b. (8, 4) c. (5, 1) d. (5, 7)

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Identify the number as a rational or irrational. explain. 127