Rewrite the expression so that it is not in fractional form

The video tutorial explains the process of simplifying trigonometric expressions by multiplying by the conjugate and using the difference of two squares. It covers the application of trigonometric identities and the use of reciprocals to eliminate denominators. The instructor provides a step-by-step guide, emphasizing the importance of these techniques in trigonometry.

What new insight or understanding did you gain from this video?

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