the value of cos 1° cos to degree cos3 degree up to cos 179 degree then
1/sec2A+ 1/cosec2...
sin2x+2sin4x+sin6x=
find the inverse of matrix by gauss jordan method
$$\begin{bmatrix} -1 & 2 & 2 \\\\ 2 & -1 & 2 \\\\ 2 & 2 & -1 \end{bmatrix}$$
20
7/4/3/2
numbers up to 200
7x+y-1=0
4x+4y-7=0
1/sec2A+ 1/cosec2A
$m^{6}$ - 1, $m^{4}$ - 1, $m^{3}$ - 1
Let X
and Y
be two independent random variables with Var(X
) = 9 and Var(Y
) = 3, find Var(4X
− 2Y
+ 6).