Pre-Cal 40S March 18, 2009

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Introduction to trigonometric identities: the fundamental identities, Pythagorean identities and their corollaries.

Transcript of Pre-Cal 40S March 18, 2009

Identities

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The Fundamental Identities ...

Trigonometric IdentitiesThe basic building blocks of all the trigonometric functions are the sine (sin θ) and cosine (cos θ) functions.

Simplify each of the following so that it is expressed exclusively in terms of sine, cosine or the number 1.

Simplify each of the following so that it is expressed exclusively in terms of sine, cosine or the number 1.

Simplify each of the following so that it is expressed exclusively in terms of sine, cosine or the number 1.

Simplify each of the following so that it is expressed exclusively in terms of sine, cosine or the number 1.

The Pythagorean Identities ...

Simplify each of the following so that it is expressed exclusively in terms of sine, cosine or the number 1.

The corollaries ...

Which implies ...

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