The value of $\cos A - \sin A$ when $A = \frac{{5\pi }}{4},$ is
$\sqrt 2 $
$\frac{1}{{\sqrt 2 }}$
$0$
$1$
Find the degree measures corresponding to the following radian measures (Use $\pi=\frac{22}{7}$ ).
$\frac{5 \pi}{3}$
The circular wire of diameter $10\,cm$ is cut and placed along the circumference of a circle of diameter $1\, metre.$ The angle subtended by the wire at the centre of the circle is equal to
If $\sin A,\cos A$ and $\tan A$ are in $G.P.$, then ${\cos ^3}A + {\cos ^2}A$ is equal to
If $\sin \theta = \frac{{ - 4}}{5}$ and $\theta $ lies in the third quadrant, then $\cos \frac{\theta }{2} = $
If $\sin x = \frac{{ - 24}}{{25}},$ then the value of $\tan \, x$ is