InterviewSolution
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| 1. |
2 \left( \cos ^ { 2 } 45 ^ { \circ } + \tan ^ { 2 } 60 ^ { \circ } \right) - 6 \left( \sin ^ { 2 } 45 ^ { \circ } - \tan 30 ^ { \circ } \right) = 6 |
| Answer» | |