Learn how to evaluate for the tangent of an angle using half angles

The video tutorial explains how to evaluate the tangent of 3π/8 using trigonometric identities. It begins by setting up the problem using the half-angle identity and solving for U. The instructor then simplifies the tangent expression by eliminating fractions and using the conjugate to achieve a final simplified form. The tutorial emphasizes common mistakes students make and provides step-by-step guidance to avoid them.

Explain how to eliminate fractions in the expression involving sqrt 2.

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

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