Trigonometric Functions on Right Triangles

8. Trigonometric Functions on Right Triangles / Trigonometric Functions on Right Triangles / 문제 5

문제 5

If the point (x, y) is in the second quadrant, identify if the given ratio is positive or negative. Note that r = √(x² + y²).
y/r

Positive

Negative

If the point (x, y) is in the second quadrant, identify if the given ratio is positive or negative. Note that r = √(x² + y²).y/r