If you know the value of sin(30°), which of the following can you calculate directly through using the half angle formula? cos(30°)
sin(45°)
sin(15°)
sin(60°)

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

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.

Given: klmn is a parallelogram m? n=3m? k, lf ? kn , ld ? nm kf=2 cm, fn=4 cm find: lf, ld