Trigonometric Functions Quiz

What type of triangle is formed when an equilateral triangle is bisected?

• Isosceles triangle

• Obtuse triangle

• Right triangle

• Scalene triangle

What is the sine of 30 degrees?

• 0

• √3/2

• 1

• 1/2

What is the cosine of 60 degrees?

• 1

• 1/2

• 0

• √3/2

How many radians are equivalent to 30 degrees?

• π/4

• π/3

• π/6

• π/2

What is the sine of 45 degrees?

• 1

• √3/2

• √2/2

• 1/2

What is the tangent of 45 degrees?

• 1

• 0

• √3

• √2

What is the radian measure of 45 degrees?

• π/3

• π/2

• π/4

• π/6

What is the relationship between 30 and 60 degrees?

• They are obtuse angles.

• They are supplementary angles.

• They are complementary angles.

• They are equal angles.

What is the cofunction identity for sine in degrees?

• sin(θ) = cos(90° - θ)

• sin(θ) = tan(90° - θ)

• sin(θ) = sin(90° - θ)

• sin(θ) = cos(θ)

What is the cofunction identity for cosine in radians?

• cos(θ) = cos(π/2 - θ)

• cos(θ) = tan(π/2 - θ)

• cos(θ) = sin(π/2 - θ)

• cos(θ) = sin(θ)