Verifying trig identities by adding rational terms

The video tutorial focuses on verifying a trigonometric identity by simplifying one side of the equation. The instructor emphasizes working with one side to simplify complex fractions, finding common denominators, and using Pythagorean identities. The process involves combining terms and applying mathematical properties to achieve the desired identity. The tutorial concludes with a successful verification of the identity, demonstrating the importance of methodical simplification and understanding of trigonometric properties.

How does the difference of squares apply in simplifying the expression?

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What is the relationship between cosine and secant in the context of this verification?

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