Question #0c21c
1 Answer
Apr 11, 2017
Explanation:
Let
Squaring and adding,
By De' Moivre's Theorem, then,
Hence, the Reqd. Value=
Enjoy Maths.!
Let
Squaring and adding,
By De' Moivre's Theorem, then,
Hence, the Reqd. Value=
Enjoy Maths.!