If \( \cos ^{2} \alpha+\cos \alpha=1 \), then find the value of 4 \...
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If \( \cos ^{2} \alpha+\cos \alpha=1 \), then find the value of 4 \( \sin ^{2} \alpha+4 \sin ^{4} \alpha+2 \)
\( +\underbrace{+i a_{0}^{+}}_{0}+ \)
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