Prove that (1+sin2x)/(1-sin2x)=cot^2(x-pi/4)

The production line where you work can assemble 5 appliers every 30 minutes at this rate how long should it take the line to assemble 125 amplifiers

What is the factored form of the following expressions? d^2 – 13d + 36

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.