Given that
A3 =CosA . CotA
B3=SinA . TanA
Then find value of-
Then find value of-
Let f:Z×Z to Z, f(a,b)=ab,(a,b)belong to Z×Z.examine if f is injective, surjective
Let f:Z×Z to Z, f(a,b)=ab,(a,b)belong to Z×Z.examine if f is injective, surjective