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°

Can some one me with these questions

Afew weeks ago, vera bought 5 apples from her local farmers' market. today, she bought 4 apples. what is the percent of decrease in the number of apples bought?

The vice president of programming at nbc is finalizing the prime-time schedule for the fall. she has decided to include a hospital drama but is unsure which of two possibilities to select. she has a pilot called the surgeon and another called critical care. to her make a final decision, a sample of 20 viewers from throughout the united states was asked to watch the two pilots and indicate which show they prefer. the results were that 12 liked the surgeon, 7 liked critical care, and one had no preference. state the decision rule, using the 0.10 significance level. h0: π = 0.50 h1: π ≠ 0.50 1. reject h0 if number of + signs is either < = or > = 2. what is your decision regarding h0? is there a preference for one of the two shows?