How to simplify a trigonometric expression using even/odd identities

Описание к видео How to simplify a trigonometric expression using even/odd identities

http://www.freemathvideos.com In this video series I will show you how to simplify trigonometric expressions. We will simplify these expression to either a single trigonometric term or number. To simplify we will use trigonometric identities such as Pythagorean, reciprocal, quotient, even odd, and co-function. We will also use algebraic rules to help us simplify the expression such as combining like terms, distributive property, multiplicative, additive inverses, and factoring.
sin(-x) / cos(-x)

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