| 1 |
tan(π + cot<sup>-1</sup>x ) = |
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| 2 |
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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| 3 |
tan(π + tan<sup>-1</sup>x ) = |
- A. x
- B. π+x
- C. π-x
- D. none of these
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| 4 |
The range of principal sine function is: |
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| 5 |
y = tan-1 x if and only if x = tan y, where: |
- A. -1 < x < 1 and - π < y < π
- B.
- C.
- D.
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| 6 |
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| 7 |
cos(tan<sup>-1</sup>∞) = |
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| 8 |
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- A. sin x
- B. cosec x
- C.
- D.
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| 9 |
The domain of principal sine function is: |
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| 10 |
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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