Math, asked by omkarvedpathak, 4 months ago

3. The real part of (cos x + i sin x)S is equal to
(a) cos 5x
(c) cos x
(d) none.

Answers

Answered by syedyakubali007

1

Answer:

c) cos x

Step-by-step explanation:

Cos x is real part of given complex number

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