Reciprocal Identities – Evaluating Secant and Cosecant Functions

This trigonometry video tutorial explains how to use the reciprocal identities to evaluate trigonometric functions such as secant and cosecant. This video contains plenty of practice example problems.

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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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Quotient 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:

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