Please help me prove this trigonometric identity:

tanx + 1/tanx =2/sin2x

{0,1,2,3,4,5,6,20,21,22,23,24,25} the distribution is considered to be: skewed the right, skewed the left, not skewed?

Write the standard form of an equation with (see picture below)

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each