## Topics/Questions discussed in this video:

NCERT Exemplar Class 11 Maths Chapter 3 Trigonometry Functions

**Example 6:** Prove that \frac{sec8\theta-1}{sec4\theta-1}=\frac{tan8\theta}{tan2\theta}

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NCERT Exemplar Class 11 Maths Chapter 3 Trigonometry Functions

**Example 6:** Prove that \frac{sec8\theta-1}{sec4\theta-1}=\frac{tan8\theta}{tan2\theta}