" What is the formula of "cos3x

The formula of metal carbonate of a metal M is M2CO3. What is the formula of its iodide.

The formula of metal carbonate of a metal M is M2CO3. What is the formula of its nitride.

The formula of metal carbonate of a metal M is M2CO3. What is the formula of its phosphate.

Formula of 2cos^(2)x

The formula of carbonate of a metal M is M_(2)CO_(3) . (a) What will be the formula of its iodide ? (b) What will be the formula of its nitride ? (c ) What will be the formula of its phosphate ?

What is the formula unit of Na_(2)O ? What is the co-ordination no. ratio ?

What is the formula unit of Na_(2)O ? What is the co-ordination no. ratio ?

If the aluminium salt of an anion X is Al_(2)X_(3) , what is the valency of X ? What will be the formula of the magnesium salt of X ?

Using the method of differentiation deduce the formula of : sin(x+alpha) starting from the formula of cos(x+alpha)

Given that y=sin3x+(4)/(3)cos3x . What is the maximum rate of change in y with respect to x ?