How to Evaluate the tangent of double angle using the tangent double-angle formula

The video tutorial explains the tangent of a double angle formula and demonstrates how to apply it using specific values. It covers the simplification of complex fractions by finding common denominators and offers an alternative method using reciprocal multiplication. The tutorial emphasizes understanding and practicing these concepts to handle complex fractions effectively.

What is the common denominator for the fractions mentioned in the text?

Describe the method to convert a fraction divided by a fraction into a multiplication problem.