Pre-Calculus - how to add two trigonometric expressions without finding the LCD

The video tutorial addresses the challenge of adding fractions involving trigonometric functions, specifically cosecant and secant. It introduces an alternative approach using reciprocal identities to simplify the expression. By rewriting the terms and applying Pythagorean identities, the expression is simplified to a basic form. The tutorial concludes with a summary of the simplification process.

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