Algebra 2 - Find the Double Angle of Tangent To a Triangle, Sin v = 4/5

The video tutorial explains how to find the tangent of 2V given the sine of V. It starts by identifying the quadrant for the angle and drawing a right triangle. Using Pythagorean triples, the adjacent side is calculated, allowing the tangent of V to be determined. The tutorial then simplifies the tangent of 2V using trigonometric formulas, concluding with the final answer.

What is the range of angle V given in the problem?

• 0 to π

• 0 to π/2

• π/2 to π

• π to 2π

Which Pythagorean triple is used to find the adjacent side of the triangle?

• 7, 24, 25

• 3, 4, 5

• 5, 12, 13

• 6, 8, 10

What is the tangent of V calculated in the video?

• 4/5

• 5/4

• 4/3

• 3/4

What is the final simplified result for the tangent of 2V?

• 72/21

• 24/7

• -24/7

• -72/21

Which mathematical operation is used to simplify the expression for tangent of 2V?

• Division

• Multiplication

• Subtraction

• Addition