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r=5cos cos theta

r=5coscosθ r=5 \cos \cos \theta

Full solution

Q. r=5coscosθ r=5 \cos \cos \theta
  1. Divide total amount by roll amount: We need to divide the total amount of tape needed by the amount of tape on each roll.\newline8,000cm÷2,000cm/roll=?8,000\,\text{cm} \div 2,000\,\text{cm}/\text{roll} = ?
  2. Perform division to find rolls: Perform the division to find the number of rolls. 8,000cm÷2,000cm/roll=4rolls8,000\,\text{cm} \div 2,000\,\text{cm}/\text{roll} = 4\,\text{rolls}

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