Learn how to verify a trigonometric function by combining two rational expressions

The video tutorial covers the process of finding the least common denominator (LCD) for fractions, including complex and trigonometric fractions. It explains how to simplify expressions using Pythagorean identities and demonstrates the step-by-step process of reducing a complex expression to a simpler form. The tutorial emphasizes the importance of understanding the product of denominators and applying trigonometric identities to achieve simplification.

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