Complete the table of values for the trigonometric function.
f (x) = 2 sin x

Really need on these. i have no idea what to do

Find the value of the cosine for angle a

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?