see the attachment And Solve Plz Dont Spam
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Answer:
4sin²30°-12cos²60°+tan²45°=(-1)
Step-by-step explanation:
4sin²30°-12cos²60°+tan²45°
=4×(½)²-12×(½)²+(1)²
=4×¼-12×¼+1
=1-3+1
=(-2)+1
=(-1)
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