[" If "dot 0<=x<2 pi" ,then the number of real values "],[" of "x" ,which satisfy the equation "],[cos x+cos2x+cos3x+cos4x=0" ,is "],[[" 5"2sqrt(7)," (Mains-2016) "," 4) "3]]

The number of 0.4dot 4 in p/q form is ……

Let the measure of each interior angle be x^0dot Then, the measure of each exterior angle is (180-x)^0dot

Using your protractor, draw an angle of measure 108^0dot With this angle as given, draw an angle of 54^0dot

The value of cos^2(pi/6+theta)-sin ^2\ (pi/6-theta) is (a)dot 1/2cos\ 2theta (b)dot 0 (c)dot -1/2cos2theta (d). 1/2

Find one irrational number between the number a\ a n d\ b given below: a=0. 1111 dot=0. 1\ \ a n d\ \ \ b=0. 1101

The angles of a quadrilateral are 110^0,\ 72^0,\ 55^0\ a n d\ x^0dot Find the value of xdot

Let '*' be a binary operation on Q_0 (set of all non-zero rational numbers) defined by a*b=(a b)/4 for all a , b in Q_0dot Then, find the identity element in Q_0 inverse of an element in Q_0dot

Let '*' be a binary operation on Q_0 (set of all non-zero rational numbers) defined by a*b=(a b)/4 for all a , b in Q_0dot Then, find the identity element in Q_0 inverse of an element in Q_0dot

Let '*' be a binary operation on Q_0 (set of all non-zero rational numbers) defined by a*b=(a b)/4 for all a , b in Q_0dot Then, find the identity element in Q_0 inverse of an element in Q_0dot