Learn how to solve a trigonometric equation using sum and difference formulas

The video tutorial covers the application of the difference formula in trigonometry, focusing on cosine and sine functions. The instructor demonstrates how to simplify expressions and solve trigonometric equations using these formulas. The tutorial also guides students in finding angles that satisfy specific trigonometric conditions, emphasizing the importance of understanding and applying trigonometric identities.

Describe the significance of using parentheses in the calculations presented.

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How do you rationalize the denominator in the context of the problem discussed?

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