Given that sin A = 1/2 and tan B and tan B = 3, and that angles A and B are both in
Quadrant I, find the exact value of cos(A + B), in simplest radical form.

How do i work this problem out using the equation a=pe^rt

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.

What is always true about a positive integer raised to a negative odd power?