9. dx=?(10%)

詳解 (共 1 筆)

Chia Chung

詳解 #5847543

2023/06/14

<Solution>Let ...

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8. Two sides of a triangle are 10cm and 15cm, and are increasing at 3cm/sec and 4cm/sec, respectively, which the included angle is π/3 and decreasing at 0.5 rad/sec. Is the third side increasing or decreasing? at what rate? (12%)

9. dx=?(10%)

詳解 (共 1 筆)

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