Transform the following expression into an algebraic expression. Use a right triangle in writing the algebraic expression. Assume that the inverse trigonometric function is defined for its argument and assume that x > 0.
tan (sin⁻¹ 2x)

• A. 1 - 4x²
• B. [2x√(1 - 4x²)]/(1 - 4x²)
• C. 1/(2x)
• D. [2√(2x² - 1)]/x

Answer: (B)