8. Introduction to Trigonometry
easy

$\frac{1}{\tan ^{2} \theta}+1=\ldots$

A

$\cot ^{2} \theta$

B

$\sec ^{2} \theta$

C

$\operatorname{cosec}^{2} \theta$

D

$\cos ^{2} \theta$

Solution

$\frac{1}{\tan ^{2} \theta}+1=\cot ^{2} \theta+1=\operatorname{cosec}^{2} \theta$

Standard 10
Mathematics

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