Tan ^{2} θ-sec ^{2} θ=ldots ldots ldots

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8. Introduction to Trigonometry

easy

$\tan ^{2} \theta-\sec ^{2} \theta=\ldots \ldots \ldots$

A

$-1$

B

$1$

C

$\cot ^{2} \theta$

D

$\sin ^{2} \theta$

Solution

Identity $: \sec ^{2} \theta-\tan ^{2} \theta=1\,\, \therefore \tan ^{2} \theta-\sec ^{2} \theta=-1$

Standard 10

Mathematics

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