Grade 12 Trigonometry Quiz

1. What is the value of sin(90°)?

• 1

• 0.5

• 1.5

• 0

2. If cos(θ) = 0.5, what is the value of θ in degrees?

• 120 degrees

• 60 degrees

• 90 degrees

• 30 degrees

3. Solve for x: tan(x) = 1

• 2π

• 3π/4

• π/4

• π/2

4. What is the period of the function y = 2sin(3x)?

• 2π/3

• 3π/2

• π/6

• 4π/3

5. State the Pythagorean identity for trigonometric functions.

• sin(x) + cos(x) = 1

• sin^2(x) + cos^2(x) = 1

• tan^2(x) + sec^2(x) = 1

• sin(x) - cos(x) = 1

6. What is the co-terminal angle of 300°?

• 60°

• 120°

• 240°

• 180°

7. Find the exact value of cos(π/3).

• 2

• 0

• 1/2

• 3/4

8. What is the amplitude of the function y = 4cos(2x)?

• 4

• 2

• 6

• 10

9. Simplify the expression: sin(x) / cos(x).

• sin(x) + cos(x)

• sin(x) - cos(x)

• tan(x)

• sin(x) * cos(x)

10. Describe the key features of the graph of y = tan(x).

• Vertical stretch, phase shift, and amplitude

• Periodicity, vertical asymptotes, and range

• Horizontal asymptotes, amplitude, and domain

• Exponential growth, period, and x-intercepts