

MCQOPTIONS
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1. |
\[\frac{{{(\cos \theta +i\sin \theta )}^{4}}}{{{(\sin \theta +i\cos \theta )}^{5}}}\] is equal to [MNR 1985; UPSEAT 2000] |
A. | \[\cos \theta -i\sin \theta \] |
B. | \[\cos 9\theta -i\sin 9\theta \] |
C. | \[\sin \theta -i\cos \theta \] |
D. | \[\sin 9\theta -i\cos 9\theta \] |
Answer» E. | |