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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 6 · Set 3 · Q2
If tan θ=x/y, then cos θ is equal to
If $\displaystyle \tan \theta=\frac{x}{\mathrm{y}}$, then $\displaystyle \cos \theta$ is equal to
Official answer
(B)
$\displaystyle \frac{\mathrm{y}}{\sqrt{x^{2}+\mathrm{y}^{2}}}$
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CBSE Class 10 Mathematics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.