A nick on the edge of a CD rotates to (−6, 5) during one song when represented graphically. What is the sine value of this function?

5 times square root 61 over 61

negative 6 times square root 61 over 61

negative square root 61

square root 5

Question

A nick on the edge of a CD rotates to (−6, 5) during one song when represented graphically. What is the sine value of this function?

 5 times square root 61 over 61

 negative 6 times square root 61 over 61

 negative square root 61

 square root 5

mathmale · Answer

Why not draw the angle?  that -6 is the ADJACENT SIDE.  That 5 is the OPPOSITE SIDE.  How would you find the HYPOTENUSE from this information?

How is the sine function defined?

Use this definition to find the sine of this angle.