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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)