Trigonometry
Which of the following cofunctions has the same value as sin127.3987°\sin127.3987\degreesin127.3987°?
cos(127.3987°)\cos\left(127.3987\degree\right)cos(127.3987°)
sin(−127.3987°)\sin\left(-127.3987\degree\right)sin(−127.3987°)
cos(−37.3987°)\cos\left(-37.3987\degree\right)cos(−37.3987°)
sin(37.3987°)\sin\left(37.3987\degree\right)sin(37.3987°)