Using the same trigonometric function, express the cos 115 degrees as a function of a positive acute angle.

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Drag each tile to the correct box. not all tiles will be used. consider the recursively defined function below. create the first five terms of the sequence defined by the given function