Location and Reference Angle of Trigonometric Function
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)
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Solution Preview
(1) -7pi/3 radians = IV quadrant, csc -7pi/3 radians is negative, the reference angle = pi/3 radians and
csc -7pi/3 radians = ...
Solution Summary
The expert examines location and reference angles of trigonometric functions. Step-by-step solutions are provided.
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