Question: Use trigonometry derivatives to answer 2. A boy 4 1/2 feet tall walks toward a light 10 feet above the ground at the rate of

Use trigonometry derivatives to answer

Use trigonometry derivatives to answer 2. A boy 4 1/2 feet tall

2. A boy 4 1/2 feet tall walks toward a light 10 feet above the ground at the rate of 6 feet/s. how fast is his shadow changing in length? (4 marks)

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