Determine whether the equation is an identity or not an identity. 1
tane cosa =
2
csc
a. identity
b. not an identity

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Select all of the following expressions that are equal to 2.5.

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.