| 1 |
The domain of principal tangent function is: |
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| 2 |
If x is positive or zero, then the principal value of any inverse function of x, if it exists lies in the interval: |
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| 3 |
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| 4 |
cos(tan<sup>-1</sup>∞) = |
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| 5 |
The graph of x = sin y is obtained by reflecting the graph of y = sin x about the line: |
- A. x axis
- B. y axis
- C. y = x
- D. y = -x
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| 6 |
cos (2sin<sup>-1</sup> x) = |
- A. 1- 2x<sup>2</sup>
- B. 1 + 2x<sup>2</sup>
- C. 2x<sup>2</sup>- 1
- D. x<sup>2</sup>- 1
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| 7 |
y = sin<sup>-1</sup> x if and only if x = sin y, where: |
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| 8 |
cos<sup>-1</sup> (-x) = |
- A. π + cos<sup>-1</sup> x
- B. π - cos<sup>-1</sup>x
- C. π + sin<sup>-1</sup>x
- D. π - sin<sup>-1</sup>x
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| 9 |
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| 10 |
tan<sup>-1</sup> (-x) = |
- A. tan<sup>-1</sup>x
- B. cot<sup>-1</sup>x
- C. -tan<sup>-1</sup>x
- D. -cot<sup>-1</sup>x
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