Quotient Identities - Evaluating Tangent and Cotangent Functions

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This trigonometry video explains how to evaluate tangent and cotangent trigonometric functions using the quotient identities of tan and cot. This trig video contains plenty of example problems.

Trigonometry - Basic Introduction:

The Unit Circle:

How To Remember The Unit Circle Fast:

Reference Angles:

The Six Trigonometric Functions:

How To Solve Right Triangles:

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Reciprocal Identities:

Even and Odd Trigonometric Identities:

Pythagorean Identities:

The Pythagorean Theorem:

Trig Functions - Periodic Properties:

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The Exact Value of Trig Functions:

Special Right Triangles - 30 60 90:

Special Patterns - Pythagorean Theorem:

Cofunction Identities:

Final Exams and Video Playlists:

Full-Length Videos and Worksheets:
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MR. Organic Chemistry Tutor, thank you for another solid evaluation of Tangent and Cotangent Functions in Trigonometry. These functions are used all over the science and engineering fields/profession.

georgesadler
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Learning all the trigo function using a manual and your video! It means a lot! Thank you!

cristinapiahannaarocena
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Great video, but what was the special transitions for?

jackwilson
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Tangent is basically just the slope of the unit circle and it repeats every pi radians or 180 degrees (instead of 2pi radians or 360 degrees)

wistfulgraph
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the only way to help this guy back is to watch the ads that popping out on his video and I'm going to write this comment to all of his video for you to know you can help him back by just watching his ads

sanopann
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I don’t understand why the points kept having a radical? Is there a video to explain the points that are being chosen? Must they always be a radical?

VirginiaCamarena-
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can someone explain what does that point P represent ?

mark
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how does pi cause the number to square root, like when you did 2pi divided by 3. It became square root 3 divided by 2

badenclosson
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If y/x corresponds to sin0 / cos0 then shouldn't the y be root 3/2 instead of x? 8:41

andresfernandez