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A point (a,b) = (r, ) shown in below graph in polar coordinates is given.Convert the point to rectangular coordinates.
Selection Bias
A bias in how participants are chosen to participate in a study, leading to results that may not be generalizable to the larger population.
Tertiary Care
Specialized consultative healthcare, usually for inpatients and on referral from a primary or secondary health professional, involving advanced medical investigation and treatment.
Cross-sectional Study
An observational study that analyzes data from a population, or a representative subset, at a specific point in time to examine the presence of disease or other variables.
Health Outcomes
The results of medical conditions and/or health interventions on individuals, including changes in health status, quality of life, and mortality.
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