Question
Evaluate the following:
$\frac{\sin19^\circ}{\cos71^\circ}$
$\frac{\sin19^\circ}{\cos71^\circ}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Marks obtained $(x_i)$ | 10 | 20 | 36 | 40 | 50 | 56 | 60 | 70 | 72 | 80 | 88 | 92 | 95 |
| Number of Students $(f_i)$ | 1 | 1 | 3 | 4 | 3 | 2 | 4 | 4 | 1 | 1 | 2 | 3 | 1 |
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Marks
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0-10
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10-20
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20-30
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30-40
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40-50
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Number of students
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6
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16
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30
|
9
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4
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E is a point on side AD produced of a parallelogram ABCD and BE intersects CD at F. Prove that $\Delta A B E \sim \Delta C F B.$