Sandip Asked a Question
February 27, 2021 4:47 ampts 30 pts
If 3(cos 100° +i sin 100°)(cos 110° +i i sin 110) =r+ iy, where r and y are real numbers, then (A)=33 - (B) r= y=2 (C)=a, y=- (D) r=- y=
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  • Alka gupta
    correct ans is A
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  • Alka gupta thankyou
    see your ans.....
    • cropped593869054566047880.jpg
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