Question 40

MuAnalytic Geometry★★★★Question Bank

⏱ Time: 0:00

Question

Let

\theta

be the acute angle the directrix of

9x^2+12xy+4y^2+x+y-1=0

makes with the

x

-axis. Find

\sin\theta

if the parabola's axis has negative slope.

Attempts: 0

Correct: 0

Best Time: --

Average Time: --