$\cot x - \tan x = $
$\cot \,2x$
$2{\cot ^2}x$
$2\,\,\cot \,2x$
${\cot ^2}\,2x$
If $\cot \,\theta + \tan \theta = m$ and $\sec \theta - \cos \theta = n,$ then which of the following is correct
If $\cot x=-\frac{5}{12}, x$ lies in second quadrant, find the values of other five trigonometric functions.
Find the values of other five trigonometric functions if $\tan x=-\frac{5}{12}, x$ lies in second quadrant.
Find the degree measures corresponding to the following radian measures (Use $\pi=\frac{22}{7}$ ).
$\frac{11}{16}$
If $sin\theta_1 + sin\theta_2 + sin\theta_3 = 3,$ then $cos\theta_1 + cos\theta_2 + cos\theta_3=$