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proof that 4cos60 +4tan sguar 45-sin squar 30=4 (3/4) |
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Answer» 4 cos 60 + 4 tan²45 - sin²30 = 4*(1/2) + 4(1) - (1/2)² = 2 + 4 - 1/4 = 6-1/4 = 24-1/4 = 23/4 |
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