Solve tan(x+π2)+tan(x−π2)=2 for 0≤x<2π
In the interval 0≤x <π, the solution is

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Select all of the following expressions that are equal to 2.5.