Asked by eng
why is lim of tanx as x approaches to (pie/2)+ is negative infinity. Shouldnt it be positive infinity since pie/2 is approaching on the right
Answers
Answered by
MathMate
A quick test using a calculator, find the values of tan(89.99°) and tan(90.01°).
Also, look at the graph of tan(x).
The curve approaches +∞ up to π/2 from the left, and -∞ from the right, which confirms your previous results.
Also, look at the graph of tan(x).
The curve approaches +∞ up to π/2 from the left, and -∞ from the right, which confirms your previous results.
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