Simplify the expression (sec x/ tan x)

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .