Period of (7x - 5) is - Vidyadip

MCQ

Period of $\cos (7x - 5)$ is

A
$\frac{{2\pi - 5}}{7}$
B
$2\pi - 5$
✓
$\frac{{2\pi }}{7}$
D
$\frac{\pi }{7}$

✓

Answer

Correct option: C.

$\frac{{2\pi }}{7}$

c
(c) It is obvious.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Trigonometrical equations→Trigonometrical equations — all question types→MATHS STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

If $S _{ n }=4+11+21+34+50+\ldots$ to $n$ terms, then $\frac{1}{60}\left( S _{29}- S _9\right)$ is equal to $.......$.

Let $A$ be the point $(1,2)$ and $B$ be any point on the curve $x^2+y^2=16$. If the centre of the locus of the point $P$, which divides the line segment $A B$ in the ratio $3: 2$ is the point $C(\alpha, \beta)$, then the length of the line segment $AC$ is

If the ${n^{th}}$ term of a series be $3 + n\,(n - 1)$, then the sum of $n$ terms of the series is

The number of integral values of $m$ for which the equation $(1 + m^2) x^2 - 2(1 + 3m) x + (1 + 8m) = 0$ has no real root is

If $f(x) = \left\{ \begin{array}{l}x\;:\;x < 0\\1\;:\;x = 0\\{x^2}\;:\;x > 0\end{array} \right.,$then $\mathop {\lim }\limits_{x \to 0} f(x) = $

Two dice are tossed. The probability that the total score is a prime number is

If $|x|<1,|y|<1$ and $x \neq y,$ then the sum to infinity of the following series $(x+y)+\left(x^{2}+x y+y^{2}\right)+\left(x^{3}+x^{2} y+x y^{2}+y^{3}\right)+\ldots .$

For the ellipse $25{x^2} + 9{y^2} - 150x - 90y + 225 = 0$ the eccentricity $e = $

If the tangent to the curve $y^2 = 4x$ at point $(1,2)$ cuts co-ordinate axes at points $A$ and $B$, then area of $\Delta AOB$ is (where $'O'$ is origin)

The ratio of yz-plane divide the line joining the points A (3, 1, -5), B (1, 4, -6) is: