Solve tan(x)(tan(x)-1) = 0

a. x = pi/3±2pi(n), x = 3pi/4±2pin.
b. x = pi/2±2pi(n), x = 3pi/2±2pi(n), x = ±2pi(n)
c. x = ±pi(n), x = pi/2±2pi(n)
d. x = ±n(pi), x = pi/4±n(pi)

Need solving this 2nd limit problem.

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30

Over the last 4 seconds, a snail has traveled 4/9 of an inch. if the snail traveled the same distance each second, how far did it travel each second?