$\frac{{\sec \,8\theta - 1}}{{\sec \,4\theta - 1}}$ is equal to
$\frac{{\sec \,8\theta - 1}}{{\sec \,4\theta - 1}}$ is equal to
- A
$tan\, 2\theta \,cot \,8\theta$
- B
$tan \,8\theta\, tan \,2\theta$
- C
$cot\, 8\theta \,cot \,2\theta$
- D
$tan \,8\theta\, cot\, 2\theta$
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