Question #b7743 Trigonometry Graphing Trigonometric Functions Radian Measure 1 Answer NickTheTurtle Apr 6, 2017 #(7pi)/9# Explanation: You can always add or subtract #2pi# to an angle in radians without changing its value. If you add #2pi# to #-(11pi)/9#, you get #(7pi)/9#, which is between #0# and #2pi# radians. Answer link Related questions What is Radian Measure? How do you find the radian measure of an angle? How do you find the radian measure of an angle of 280? How do you convert radian measures to degrees? What is the radian measure of 270 degrees? What is the radian measure of 72 degrees? What is the radian measure of a right angle? How do you find #tan (pi/3)#? How do you express #(11pi)/12# in degrees? How do you convert #-450^@# into radians? See all questions in Radian Measure Impact of this question 1267 views around the world You can reuse this answer Creative Commons License