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8. Introduction to Trigonometry
easy
$\sin (90-\theta)=\ldots \ldots \ldots$
A
$\cos \theta$
B
$\sec \theta$
C
$\operatorname{cosec} \theta$
D
$\tan \theta$
Solution
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Standard 10
Mathematics
Similar Questions
Which of the following pair is correct for trigonometric inter-relationship ?
$1 .$ $\cos \theta$ | $a.$ $\frac{\cos \theta}{\sin \theta}$ |
$2.$ $\tan \theta$ | $b.$ $\frac{1}{\operatorname{coses} \theta}$ |
$3 .$ $\cot \theta$ | $c.$ $\frac{1}{\sec \theta}$ |
$4.$ $\sin \theta$ | $d.$ $\frac{1}{\cot \theta}$ |
$e.$ $\sin \theta \cdot \cos \theta$ |
easy