In Exercises 23-30, solve algebraically for exact solutions in the interval [0,2pi). Use your grapher only to support your algebraic
work.
24. cos 2x + sin x = 0
23. cos 2x + cos. x = 0
25. cos .x + cos 3.x = 0
26. sin x + sin 3x = 0
In Exercises 31-36, use half-angle identities to find an exact value
without a calculator.
31. sin 15°
32. tan 1950
33. cos 75°
34. sin (5/12)
36. cos (w/8)
35. tan (7/12)

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?

Powerful women's group has claimed that men and women differ in attitudes about sexual discrimination. a group of 50 men (group 1) and 40 women (group 2) were asked if they thought sexual discrimination is a problem in the united states. of those sampled, 11 of the men and 19 of the women did believe that sexual discrimination is a problem. if the p-value turns out to be 0.035 (which is not the real value in this data set), then at = 0.05, you should fail to reject h0. at = 0.04, you should reject h0. at = 0.03, you should reject h0. none of these would be a correct statement.

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i