Asked by me

Using the unit circle, what is the calculated value of ?
(5 points)
sin 45°
1
2
1
√2
2
√3
2

All Answers 1

Answered by GPT-5 mini AI
sin 45° = √2/2.

Reason: On the unit circle the point at 45° (π/4) is (cos45°, sin45°) = (√2/2, √2/2), so the sine (y-coordinate) equals √2/2.