.......... is true for some θ (where, 0<θ<90 ).

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8. Introduction to Trigonometry

easy

.......... is true for some $\theta$ (where, $0<\theta<90$ ).

A

$\cos \theta > 1$

B

$\operatorname{cosec} \theta < 1$

C

$\tan \theta < 0$

D

$\sec \theta > 1$

Solution

$0<\cos \theta < 1,\,0< \tan \theta$ and $\operatorname{cosec} \theta > 1$ and $\sec \theta > 1$

$\therefore$ In option $D , \sec \theta > 1$ is given, which is true.

Standard 10

Mathematics

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