2×sin square45degree + tan square 60degree
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Step-by-step explanation:
2sin²45+tan²60
=2×1/√2²+√3²
=2×1/2+3
=2×1/2+3/1
=2×1×1+2×3/2
=2×1+6/2
=2×7/2
=2/1×7/2
=14/2
=7
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