Calculus Examples

Evaluate the Limit limit as x approaches pi/2 of 2sec(x)
Step 1
Consider the left sided limit.
Step 2
As the values approach from the left, the function values increase without bound.
Step 3
Consider the right sided limit.
Step 4
As the values approach from the right, the function values decrease without bound.
Step 5
Since the left sided and right sided limits are not equal, the limit does not exist.