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sweet-ann [11.9K]
2 years ago
11

Hàm số đồng biến khi nào

Mathematics
1 answer:
solmaris [256]2 years ago
6 0

Answer: xem link và 1 số đk nữa

Step-by-step explanation:

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see explanation

Step-by-step explanation:

Using the tangent and sine ratios in the right triangle EFG

tan60° = \frac{opposite}{adjacent} = \frac{FG}{EG} = \frac{28}{EG} ( multiply both sides by EG )

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--------------------------------------------------------------

sin60° = \frac{opposite}{hypotenuse} = \frac{FG}{EF} = \frac{28}{EF} ( multiply both sides by EF )

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EF = \frac{28}{sin60} ≈ 32.3 in ( to the nearest tenth )

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