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8. Introduction to Trigonometry
medium
Which of the following group truely match the data of Part $I$ with the data of Part $II$ ?
Part $I$ | Part $II$ |
$1.$ $\cos(90-\theta)$ | $a.$ $\sec \theta$ |
$2.$ $\cot(90-\theta)$ | $b.$ $\sin \theta$ |
$3$ $\operatorname{cosec}(90-\theta)$ | $c.$ $1$ |
$d.$ $\tan \theta$ |
A
$(1-b),(2-d),(3-a)$
B
$(1-b),(2-a),(3-d)$
C
$(1-c),(2-d),(3-b)$
D
$(1-c),(2-b),(3-a)$
Solution
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Standard 10
Mathematics