consider the relationship between the sine and cosine of complementary
ine and cosine of complementary angles.
a. the sine of an angle is equal to the cosine of its compre
complement
to the cosine of its complement, and the cosine of an angle is equal to the sine of its
the relationship to find an equivalent expression for each expression shown.
i. sin 66°
ii. cos 13°
iii. sin 49°
iv. cos 85°

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Out of five men and five women, we form a committee consisting of four different people. assuming that each committee of size four is equally likely, find the probabilities of the following events: 1. the committee consists of two men and two women 2. the committee has more women than men. 3. the committee has at least one man. for the remainder of the problem assume that alice and bob are among the ten people being considered. 4. both alice and bob are members of the committee.

If a=0.333333 and b=0.55555, what is the value of a+b