Math, asked by dasagnisuddha, 10 months ago

If a = cos α + isinα and 1 + √1 − b

2 = nb, then find the value of:

b

2n

(1 + na) (1 +

n

a

) − b cos α.

Answers

Answered by pranad59

1

Answer:

what to do?

what .....................

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