A) 0 |
B) 1 |
C) 2 |
D) 3 |
B) 1 |
1). If \( \Large A=\{ 1, 2, 4, 5 \},\ B=\{ 1, 2, 3 \} \) then A-B is
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2). Which of the results is not true?
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3). if \( \Large n\left[ p \left(A\right) \right]=64 \), then \( \Large n \left(A\right)=? \)
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4). lf \( \Large X=9\cos \theta \ and\ y=7\sin \theta \) then find the value of \( \Large \frac{x^{2}}{81}+\frac{y^{2}}{49} \)
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5). The value of \( \Large \cos^{4} \theta - \sin^{4} \theta \)
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6). By using the formula, the value of \( \Large \left(\sin \theta +\cos \theta \right)^{2}+ \left(sin \theta - \cos \theta \right)^{2} \) is
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7). The value of \( \Large \frac{\cos 15 ^{\circ} }{\sin 75 ^{\circ} } \)
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8). The value of \( \Large \frac{1}{1+\cos A}+\frac{1}{1-\cos A} \)
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9). Find the value of \( \Large \frac{2\sin^{2}45-tan^{2}45}{2\tan^{2}45} \)
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10). A ladder with length of 24 metres is placed against the wall at an angle of elevation of \( \Large 30 ^{\circ} \). Then the height of the building is
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