Pre-Calculus - Adding two rational trigonometric expressions (cosθ/sinθ)+(sinθ/cosθ)

The video tutorial explains how to handle rational expressions involving trigonometric terms. It emphasizes the importance of finding a common denominator, known as the least common denominator (LCD), when adding fractions. The tutorial demonstrates multiplying by sine and cosine to achieve a common denominator and simplifies the expression using trigonometric identities. The final expression is simplified to secant and cosecant.

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