2x+5y+3=0 what is the value of sin theta
I assume theta is the slope of the line?
The slope is -2/5, so tan(theta) = -2/5.
theta = -21.8 degrees
sin theta = -0.37
Or, sin theta = -2/sqrt(29), using the right triangle with legs -2,5
The slope is -2/5, so tan(theta) = -2/5.
theta = -21.8 degrees
sin theta = -0.37
Or, sin theta = -2/sqrt(29), using the right triangle with legs -2,5