\frac 5 \operatorname cos ^ 2 60 %2B 4 \operatorname sec – InterviewSolution

1.	\frac 5 \operatorname cos ^ 2 60 %2B 4 \operatorname sec ^ 2 30 - \operatorname tan ^ 2 45 \operatorname sin ^ 2 30 %2B \operatorname cos ^ 2 30
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