| 1 |
2 cos α sin ß = |
- A. cos (α + ß) + cos (α - ß)
- B. sin (α + ß) + sin (α - ß)
- C. sin (α + ß) - sin (α - ß)
- D. <div>cos (α + ß) + cos (α - ß)</div>
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| 2 |
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- A.
- B.
- C.
- D. diagonal matrix
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| 3 |
A reference angle Θ is always: |
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| 4 |
Given tan Θ = 1 |
- A. Θ lies in quadrants 1 and 4
- B. cos Θ = √2
- C.
- D.
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| 5 |
The additive inverse of a matrix A is: |
- A. A
- B. A<sup>-1</sup>
- C. - A
- D. A<sup>2</sup>
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| 6 |
|
- A. quad. I
- B. quad. II
- C. quad. III
- D. quad. IV
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| 7 |
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| 8 |
The number of radius in the angle subtended by an arc of a circle at the center = |
- A. radius × arc
- B. radius - arc
- C.
- D.
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| 9 |
|
- A. closureproperty
- B. associativeproperty
- C. commutativeproperty
- D. trichotomyproperty
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| 10 |
The amplitude and period of 3 sin x are: |
- A. 3, π
- B. 2, 2π
- C. 3, 3π
- D. 3, 2π
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