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For the given rectangular equation, give its equivalent polar equation.
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Analgesics
Medications designed to reduce or eliminate pain without causing loss of consciousness, often referred to as painkillers.
Gastroscopy
A diagnostic procedure using a gastrocope to visually examine the inner lining of the upper gastrointestinal tract, including the esophagus, stomach, and duodenum.
Fiber-Optic Tube
A flexible, thin tube made of glass or plastic fibers used to transmit light signals over long distances with minimal loss of strength.
Stomach
A muscular organ in the digestive system that processes food by secreting acid and enzymes.
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