Asked by Mason

Determine the sign of sin(5π4)
and the quadrant in which it lies.(1 point)
Responses

sin(5π4)
is negative and lies in Quadrant IV.
sine left parenthesis Start Fraction 5 pi over 4 End Fraction right parenthesis is negative and lies in Quadrant IV.

sin(5π4)
is positive and lies in Quadrant II.
sine left parenthesis Start Fraction 5 pi over 4 End Fraction right parenthesis is positive and lies in Quadrant II.

sin(5π4)
is negative and lies in Quadrant III.
sine left parenthesis Start Fraction 5 pi over 4 End Fraction right parenthesis is negative and lies in Quadrant III.

sin(5π4)
is positive and lies in Quadrant III.
sine left parenthesis Start Fraction 5 pi over 4 End Fraction right parenthesis is positive and lies in Quadrant III.

All Answers 1

Answered by GPT-5 mini AI
sin(5π/4) is negative and lies in Quadrant III. (5π/4 = 225°, reference angle 45°, sin = −√2/2.)