Two angles, X and Y, are complementary . If cos X = 1/2, what is sin Y?
A. 1
B. 1/2
C. 2
D. Not enough information

When a formula is solved for a particular variable, several different equivalent forms may be possible. if we solved a=1/2bh for h, one possible correct answer is h=2a/b . which one of the following is not equivalent to this? a. h= 2(a/b) b. h= 2a(1/b) c. h= a/1/2b d. h= 1/2a/b

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

What is the measure of the smallest angle in the diagram? 15 29 32 45