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6. What is the derivative of sin(x)?

  • sec(x)
  • cos(x)
  • -cos(x)
  • -sin(x)

7. Which function is equivalent to sin(x)/cos(x)?

  • cot(x)
  • tan(x)
  • cosec(x)
  • sec(x)

8. What is the derivative of sec(x)?

  • sin(x)sec(x)
  • tan(x)cos(x)
  • sec(x)tan(x)
  • sec(x)cos(x)

9. Which function is equivalent to tan^2(x)+1?

  • cosec^2(x)
  • cosec(x)
  • sec^2(x)
  • sec(x)

10. Which function is equivalent to sin(2x)?

  • 2sin(x)tan(x)
  • 2sin(x)cos(x)
  • cos(x)sec(x)
  • 2tan(x)cos(x)

11. Which function is equivalent to 1/cos(x)?

  • cosec(x)
  • sec(x)
  • tan(x)
  • cot(x)

12. Which function is equivalent to cot^2(x)+1?

  • sec^3(x)
  • cosec^2(x)
  • cos^2(x)
  • sec^2(x)

13. What is the derivative of sec(2x)?

  • 2sec(2x)tan(2x)
  • 2sec(2x)sin(2x)
  • sec(2x)tan(2x)
  • 2sec(x)cosec(x)

14. What is the derivative of tan(x)?

  • sec^2(x)
  • sin^2(x)
  • -sin(x)
  • 2sec(x)

15. Which function is equivalent to cos(A+B)?

  • cos(A)cos(B) - sin(A)sin(B)
  • cos(A)cos(B) + sin(A)sin(B)
  • sin(A)cos(B) + cos(A)sin(B)
  • sin(A)cos(B) - cos(A)sin(B)

16. Which function is equivalent to sin(A+B)?

  • sin(A)cos(B) + cos(A)sin(B)
  • sin(A)cos(B) - cos(A)sin(B)
  • cos(A)cos(B) - sin(A)sin(B)
  • cos(A)cos(B) + sin(A)sin(B)

17. What is the derivative of cosec(x)?

  • -cot(x)cosec(x)
  • -cosec(x)tan(x)
  • -cos(x)cot(x)
  • -cos^2(x)

18. Which function is NOT equivalent to cos(2x)?

  • cos(x)-sin(x)
  • 2cos^2(x)-1
  • 1-2sin^2(x)
  • cos^2(x)-sin^2(x)

19. What is the derivative of cos(x)?

  • -sin(x)
  • -tan(x)
  • cos(2x)
  • sin(x)

20. Which function is equivalent to cos(x)/sin(x)?

  • cot(x)
  • tan(x)
  • cosec(x)
  • sec(x)