Indicate the quadrant location of the angle, the algebraic sign, reference angle and numerical value.
1. csc -( 7pi / 3)
2. cos ( -2,192°)
3. tan ( 1,178°)
4. sin ( 39pi / 11)© BrainMass Inc. brainmass.com October 9, 2019, 9:41 pm ad1c9bdddf
(1) -7pi/3 radians = IV quadrant, csc -7pi/3 radians is negative, the reference angle = pi/3 radians and
csc -7pi/3 radians = ...
The expert examines location and reference angles of trigonometric functions. Step-by-step solutions are provided.