Trigonometry with Equilateral Triangles

What is the main goal of the video tutorial?

• To find the exact values of sine, cosine, and tangent for 30 and 60 degrees.

• To demonstrate the use of the Pythagorean theorem in real-life scenarios.

• To find the exact values of sine, cosine, and tangent for 45 degrees.

• To explain the concept of complementary angles.

What type of triangle is used to find the trigonometric values?

• Scalene triangle

• Isosceles triangle

• Right triangle

• Equilateral triangle

How is the height of the triangle determined?

• Using the Pythagorean theorem

• Using the cosine rule

• Using the tangent rule

• Using the sine rule

What is the sine of 30 degrees?

• 1

• 1/2

• √3/2

• √3

What is the cosine of 30 degrees?

• 1

• 1/2

• √3/2

• √3

What is the tangent of 30 degrees after rationalizing?

• √3/3

• √3

• 1

• 1/2

What is the sine of 60 degrees?

• √3

• √3/2

• 1/2

• 1

What is the cosine of 60 degrees?

• √3

• 1/2

• √3/2

• 1

What is the tangent of 60 degrees?

• 1

• 1/2

• √3

• √3/3

What is the relationship between the sine of 30 degrees and the cosine of 60 degrees?

• One is double the other.

• They are reciprocals.

• They are equal.

• They are unrelated.