Evaluate
C(12,5)

Evaluate sin(2 cot^-1 (-5/12))

Evaluate the following : ""^12C_0+""^12C_1+""^12C_2+ ....... +""^12C_12 .

Evaluate the following : ""^12C_0+""^12C_2+""^12C_4 +""^12C_12 .

Evaluate the following : "^12C_7 .

Evaluate the following : "^10C_4+ ^10C_5 .

Evaluate the following : "^13C_6+ ^13C_5 .

Evaluate the following : ""^16C_1+""^16C_3+""^16C_5+ ....... +""^16C_15 .

ABCD is a parallelogram. If the points A , B and C are respectively : (1,2), (5,4),(3,8) Find the coordinates of the point D.

Find the value of: cos((5pi)/12)