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Principal argument Sin40+icos40 |
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Answer» Given , Z=(sin40+icos40)5⇒z = (cos 50 + i SIN 50)5⇒z = cos 250 + i sin 250⇒z = cos [360 − 110] + i sin [360−110]⇒z = cos 110 − i sin 110⇒z = cos (−110) + i sin (−110)So, AMP z = −110° |
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