Pc Unit 3 How to evaluate for sine using the unit circle for an angle larger than 2pi

The video tutorial explains common mistakes in graphing angles, focusing on the concept of coterminal angles. It demonstrates how to rewrite angles in terms of their coterminal counterparts and highlights the importance of reference angles. The tutorial also covers how to calculate sine values based on the quadrant in which the angle falls, emphasizing the need to consider the sign of the coordinate in different quadrants.

What is the main concept discussed when simplifying the angle 11π/3?

• Determining the cosine of the angle

• Finding the exact value of the angle

• Calculating the tangent of the angle

• Understanding coterminal angles

How can 11π/3 be expressed in terms of a coterminal angle?

• As 7π/3

• As 5π/3

• As 3π/3

• As 9π/3

What is the reference angle for 5π/3?

• π

• 4π/3

• π/3

• 2π/3

In which quadrant does the angle 5π/3 fall?

• First quadrant

• Second quadrant

• Third quadrant

• Fourth quadrant

What is the sine of 5π/3 considering its quadrant?

• √3/2

• -√3/2

• 1/2

• -1/2