How do you solve for sin (5pi/3) without a calculator? show your solution.

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

Find the slope of the line passing through a pair of points

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?