Frac{1}{sin ^{2} θ}-1=ldots ldots ldots

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8. Introduction to Trigonometry

easy

$\frac{1}{\sin ^{2} \theta}-1=\ldots \ldots \ldots$

A

$\cos ^{2} \theta$

B

$\cot ^{2} \theta$

C

$\tan ^{2} \theta$

D

$\sec ^{2} \theta$

Solution

$\frac{1}{\sin ^{2} \theta}-1=\operatorname{cosec}^{2} \theta-1=\cot ^{2} \theta$

Standard 10

Mathematics

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