Incorrect statement is

English

Gujarati

Hindi

3.Trigonometrical Ratios, Functions and Identities

easy

The incorrect statement is

A

$\sin \theta = - \frac{1}{5}$

B

$\cos \theta = 1$

C

$\sec \theta = \frac{1}{2}$

D

$\tan \theta = 20$

Solution

(c) Incorrect statement is $\sec \theta = \frac{1}{2}$, because value of $\sec \theta $ is always $ \ge 1$.

Standard 11

Mathematics

Share

Similar Questions

$\frac{{\sin \theta }}{{1 – \cot \theta }} + \frac{{\cos \theta }}{{1 – \tan \theta }} = $

easy

If in two circles, arcs of the same length subtend angles $60^{\circ}$ and $75^{\circ}$ at the centre, find the ratio of their radii.

medium

$\cos 1^\circ + \cos 2^\circ + \cos 3^\circ + ….. + \cos 180^\circ = $

easy

If $\sin x + {\rm{cosec}}\,x = 2,$ then $sin^n x + cosec^n x$ is equal to

easy

If $\sin \theta + \cos \theta = m$ and $\sec \theta + {\rm{cosec}}\theta = n$, then $n(m + 1)(m – 1) = $

easy