3sinSquare 30 + 2 tan Square 60-5cos square45
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Answered by
1
Answer:
3sin²30+2tan²60-5cos²45
3*(1/2)²+2(√3)²-5(1/√2)²
3*1/4+2*3-5(1/2)
3/4+6-5/2
3+24-10/4
17/4........
Answered by
0
Answer:
=3sin²30 + 2tan²60 -5cos²45
= 3×1/4 + 2×3 -5×1/2
=3/4 + 6 - 5/2
17/4
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