Trigonometric Values and Simplifications

In this video, Mr. Turgon explains how to evaluate trigonometric expressions involving special angles such as 30, 45, and 60 degrees. The video provides step-by-step examples, including calculations for sine, cosine, and tangent values. It emphasizes the importance of memorizing these values for exams and concludes with a take-home activity for further practice.

What are the special angles discussed in the video?

• 15, 30, 45 degrees

• 30, 60, 45 degrees

• 45, 60, 90 degrees

• 30, 60, 90 degrees

What is the value of sine 30 degrees?

• 0

• 1/2

• √3/2

• 1

What is the value of cosine 60 degrees?

• √3/2

• 1/2

• 1

• 0

What is the value of sine 60 degrees?

• 0

• 1

• 1/2

• √3/2

What is the value of tangent 30 degrees?

• 1

• 1/2

• √3/3

• √3

What is the simplified form of 3/9?

• 1/2

• 1/3

• 1

• 1/6

What is the value of cotangent 60 degrees squared?

• 3

• √3

• 1/3

• 9

What is the value of sine 45 degrees?

• √3/2

• √2/2

• 1

• 1/2

What is the value of tangent 30 degrees in terms of square roots?

• √3

• 1/√3

• √3/3

• 1

What is the result of multiplying sine 45 degrees by tangent 30 degrees?

• 1

• 1/2

• √3/3

• √6/6