Let ……….(i)
……….(ii)
Changing to and to in eq. (i),
= ……….(iii)
Here, and
From eq. (iii),
Since, and is approximately equal to and respectively.
From eq. (i) and (ii),
= =
Therefore, approximate value of is .
Let ……….(i)
……….(ii)
Changing to and to in eq. (i),
= ……….(iii)
Here, and
From eq. (iii),
Since, and is approximately equal to and respectively.
From eq. (i) and (ii),
= =
Therefore, approximate value of is .