Which of the following has the same value as 463 - 453
46 45
46 45 - 1
3 46 45 + 1
3 46 45 - 1
None of these
If a and b are two cousective integers (a>b) then a3 - b3 = 1 + 3ab
Which of the following has the same value as the given expression?
cot(90∘−θ)cosec2θ.secθ.cot3θsin2(90∘−θ)