Lim x tends toy (x tan y-y tan x) /(x-y)

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

I’m confused on how to work the pie charts

Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)