Convert `rsintheta=rcostheta+4` into its equivalent Cartesian equation.

Convert r=cos e ctheta e^(rcostheta) into its equivalent Cartesian equation.

Convert r=4tanthetasectheta into its equivalent Cartesian equation.

Convert the polar coordinates to its equivalent Cartesian coordinates (2,pi/2) .

Convert the following polar coordinates to its equivalent Cartesian coordinates. (i) (2,pi)

Convert the binary number 10011 into decimal equivalent .

(i) Find the vector equation of a line passing through a point with position vector 2hat(i)-hat(j)+hat(k) , and parallel to the line joining the points -hat(i)+4hat(j)+hat(k) and hat(i)+2hat(j)+2hat(k) . Also find the cartesian equivalent of this equation. (ii) The cartesian equations of a line are 6x-2=3y+1=2z-2 . Find its direction ratios and also find vector equation of the line.

Convert the binary number 10011 into deicmal equivalent.

6.4 g of oxygen is equivalent to

(b) Transfer the equation r=a cos theta of polar co-ordinates into an equation of Cartesian co-ordinates.

The equivalent mass of iron in ferous oxide is 28. calculate its equivalent mass in ferric oxide.