\frac{\cos ^{2} 22 \frac{1}{2}+\sin ^{2} 22 \frac{1}{2}^{\circ}}{\cos – InterviewSolution

1.	\frac{\cos ^{2} 22 \frac{1}{2}+\sin ^{2} 22 \frac{1}{2}^{\circ}}{\cos ^{2} 22 \frac{1}{2} \cdot-\sin ^{2} 22 \frac{1}{2}}
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