Lesson 5.7.1

5.7.1 Solving simple trigonometric equations Quiz: Pearson Edexcel Maths, Unit 5

20 questions

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Lesson 5.7.1, Solving simple trigonometric equations: 20 multiple choice questions for the Pearson Edexcel Maths (9MA0), Unit 5: Trigonometry, written with Revision Ninja.

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The 20 questions

  1. What is the principal value of arcsin(0.5) in radians?

    • pi / 6
    • pi / 3
    • pi / 2
    • pi / 4
  2. Solve sin(theta) = 0.5 for the interval 0 to 2pi radians.

    • pi / 3 and 2pi / 3
    • pi / 6 and pi / 3
    • pi / 6 and 5pi / 6
    • pi / 3 and 4pi / 3
  3. Find all solutions to cos(theta) = 0 inside the interval 0 to 2pi.

    • pi / 4 and 7pi / 4
    • pi / 2 and 3pi / 2
    • pi and 2pi
    • 0 and pi
  4. What is the second solution for tan(theta) = 1 if the first is pi / 4?

    • 5pi / 4
    • 7pi / 4
    • pi / 2
    • 3pi / 4
  5. Solve tan(theta) = -1 for principal value in radians.

    • -pi / 6
    • -pi / 2
    • -pi / 4
    • -pi / 3
  6. How many solutions exist for sin(theta) = 2 in the real number domain?

    • One
    • Infinite
    • Zero
    • Two
  7. Solve cos(theta) = -0.5 for the primary interval 0 to 360 degrees.

    • 60 and 300 degrees
    • 150 and 210 degrees
    • 135 and 225 degrees
    • 120 and 240 degrees
  8. What is the exact value of arccos(0) in degrees?

    • 0 degrees
    • 180 degrees
    • 90 degrees
    • 270 degrees
  9. How many distinct solutions does sin(2theta) = 0.5 have for theta between 0 and 2pi?

    • 2
    • 8
    • 4
    • 1
  10. Find the general solution for sin(theta) = 0 in terms of integer n.

    • n * pi / 2
    • 2n * pi
    • n * pi
    • pi + 2n * pi
  11. State the general solution for cos(theta) = 1 in terms of integer n.

    • pi / 2 + n * pi
    • n * pi
    • 2n * pi
    • pi + 2n * pi
  12. Solve 2 * sin(theta) - 1 = 0 for theta between 0 and 360 degrees.

    • 30 and 150 degrees
    • 60 and 120 degrees
    • 45 and 135 degrees
    • 30 and 330 degrees
  13. Solve tan(3theta) = 0 for the smallest positive angle theta in degrees.

    • 30 degrees
    • 90 degrees
    • 60 degrees
    • 0 degrees
  14. What is the range of values for valid solutions of sin(theta) = k?

    • -1 <= k <= 1
    • k <= -1
    • k >= 1
    • All real numbers
  15. Find the number of solutions to cos(theta) = 0.5 within 0 to 2pi radians.

    • Three
    • Two
    • Four
    • One
  16. Solve cos(theta - pi / 3) = 1 for the principal value of theta.

    • 0
    • pi / 6
    • pi / 3
    • 2pi / 3
  17. Solve 3 * tan^2(theta) - 1 = 0 for positive acute theta.

    • 60 degrees
    • 45 degrees
    • 90 degrees
    • 30 degrees
  18. Identify the quadrant where both sine and cosine are negative.

    • First quadrant
    • Third quadrant
    • Fourth quadrant
    • Second quadrant
  19. Solve sin(theta) = -0.5 for the principal value in degrees.

    • -30 degrees
    • -90 degrees
    • -45 degrees
    • -60 degrees
  20. Solve cos^2(theta) = 1 for theta between 0 and 2pi radians.

    • pi / 3, 5pi / 3
    • pi / 4, 7pi / 4
    • 0, pi, 2pi
    • pi / 2, 3pi / 2

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