Hey please I need help with this

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Which expression gives the exact value of x?

Which statements are true about box plots? check all that apply. they describe sets of data. they include the mean. they show the data split into four parts. they show outliers through really short “whiskers.” each section of a box plot represents 25% of the data.