analytical trig
sin
-1
0 12. cos
-1
1 13. sin
-1
1-12 14. cos
-1
1-12
15. tan
-1
0 16. tan
-1
1-12 17. sin
-1 12
2
18. tan
-1 13
3
19. tan
-123 20. sin
-1
a-13
2
b 21. cos
-1
a-13
2
b 22. sin
-1
a-12
2
b
23. cos
-122
2
24. cos
-1
a-1
2
b 25. tan
-1
a-23
3
b 26. sin
-1
1
2
In Problems 27–38, use a calculator to find the approximate value of each expression rounded to two decimal places.
27. sin
-1
0.1 28. cos
-1
0.6 29. tan
-1
5 30. tan
-1
0.2
31. cos
-1
7
8
32. sin
-1
1
8
33. tan
-1
1-0.42 34. tan
-1
1-32
35. sin
-1
1-0.122 36. cos
-1
1-0.442 3 7. cos
-112
3
38. sin
-1 13
5
In Problems 39–58, find the exact value, if any, of each composite function. If there is no value, state it is “not defined.” Do not use a calculator.
39. cos
-1
acos
4p
5
b 40. sin
-1
csin a-p
10
bd 41. tan
-1
ctana-3p
8
bd 42. sin
-1
csina-3p
7
bd
43. sin
-1
asin
9p
8
b 44. cos
-1
ccosa-5p
3
bd 45. tan
-1
atan
4p
5
b 46. tan
-1
ctana-2p
3
bd
4 7. cos
-1
ccosa-p
4
bd 48. sin
-1
csina-3p
4
bd 49. tan
-1
ctana
p
2
bd 50. tan
-1
ctana-3p
2
bd
51. sinasin
-1
1
4
b 52. cosccos
-1
a-2
3
bd 53. tan1tan
-1
42 54. tan3tan
-1
1-224
55. cos1cos
-1
1.22 56. sin3sin
-1
1-224 5 7. tan1tan
-1
p2 58. sin3sin
-1
1-1.524
In Problems 59–66, find the inverse function f
-1
of each function f. Find t