Changes in Period and Phase Shift of Sine and Cosine Functions — Unit test
Question 3 • Algebra 2 MP 2,3,4 CHS
On a unit circle, the vertical distance from the x-axis to a point on the perimeter of the circle is twice the horizontal distance from the y-axis to the same point. What is sin?
Answer
A
One-fifth
B
StartFraction StartRoot 5 EndRoot Over 5 EndFraction
C
StartFraction 2 StartRoot 5 EndRoot Over 5 EndFraction