Why is Tan(90°) Wrong? (Undefined)

The_trigonometry_functions

The_trigonometry_functions

Why tan 90 is Undefined C4 Communication and Basic Concept

Π/4  The tangent function has some properties that are different than the sinusoidal trig. functions, resulting in a graph that differs significantly. - ppt download

Is tan 90° equal to infinity? Isn't 1/0 undefined? - Quora

tan 90° = infinity or undefined (Why & How?)

which of the trigonometric ratios has a value that is undefined?

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Solved 1 What is wrong with the statement tan 90° = cot 900?

SOLVED: tan 90' undefined and tan 270 = undefined True False

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