3ab) Find the exact, simplified value of each of the remaining trigonometric functions. I need help with the first one.

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Of of at a : $6, $8, $7, $6, $5, $7, $5, $7, $6, $28, $30 is?ato .ato .ato .ato .

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6