Learn how to find the reference angle of a radian in the second quadrant

The video tutorial explains how to locate 2 radians on a sketch and identify its position in the second quadrant. It discusses supplementary angles, showing how they add up to π (pi), and sets up an equation to find the reference angle, Theta prime. The tutorial demonstrates solving the equation and provides both exact and approximate answers, emphasizing the importance of understanding reference angles and equation setup.

In which quadrant is the angle of 2 radians located?

• First quadrant

• Second quadrant

• Fourth quadrant

• Third quadrant

What is the sum of two supplementary angles in terms of π?

• π

• 3π/2

• 2π

• π/2

How do you calculate the reference angle, Theta prime, from an angle of 2 radians?

• Add 2 to π

• Multiply 2 by π

• Subtract 2 from π

• Divide π by 2

What is the approximate value of π - 2?

• 0.14

• 3.14

• 2.14

• 1.14

Which of the following is a method to approximate the reference angle?

• Dividing by 2

• Adding 1

• Rounding or truncating

• Multiplying by 2