Frac{1}{cos ^{2} θ}-frac{1}{cot ^{2} θ}=ldots ldots ldots

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8. Introduction to Trigonometry

easy

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

A

$1$

B

$0$

C

$2$

D

$\cos ^{2} \theta$

Solution

$\frac{1}{\cos ^{2} \theta}-\frac{1}{\cot ^{2} \theta}=\sec ^{2} \theta-\tan ^{2} \theta=1$

Standard 10

Mathematics

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