Θ lies in Quadrant II. cosθ=−811

What is the exact value of sinθ in simplified form?

811

57√11

857√57

−57√11

Find the measure of angle b in the following triangle

(2, 4) (2, 1) (6, 12) (4, -5) (-2, 4) |(2, -4) (6, -12) (-4,5) quadrilateral abcd is reflected over the x-axis. quadrilateral abcd is translated 2 units right and 1 unit down. quadrilateral abcd is dilated by a scale factor of 3. quadrilateral abcd is rotated 180° clockwise about the origin. reset next

Given right triangle abc, what is the value of tan(a)?