How to use the sum and difference formula for tangent

The video tutorial explains how to use sum and difference formulas for trigonometric functions, specifically focusing on the tangent function. It demonstrates breaking down complex expressions into simpler angles, applying the sum formula, and using the unit circle for simplification. The tutorial also covers techniques for simplifying fractions and using conjugates to eliminate radicals. The session concludes with a final simplification and error correction, ensuring a clear understanding of the process.

Explain the sum and difference formulas for tangent.

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How do you simplify the expression involving tangent of π/4 and π/6?

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What values do you get for tangent of π/6 and π/4 using the unit circle?

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What is the tangent of π/4?

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Describe the process of rationalizing the denominator in the given expression.

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What is the result of multiplying by the conjugate in the context of this problem?

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How do you arrive at the final simplified expression of the problem?

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