4,0
.... nlNicGra_-_4"l_
Glencoe ONes'Ion,
_acmm_
NAME
6-5
Principal
DATE
Practice Worksheet
Values of the Inverse Trigonometric
Functions
Find each value.
1. Arcsin (-1)
2. Arccos 1
-90 °
4.
3. Arctan
0o
=45 o
0.os o,
Cos -1 _
60°
0.
90°
7. cos (Cos-1 (- ½))
10. Cos-1 (Cos 2)
=30 °
9. tan (Tan-1
8. sin (Sin-l-_ -_)
V5
v_
2
3.
2
11. Sin-1 (sin 4)
12. Tan-l(tan
7T
33"
77"
2
4
3
13. cos (Arcsin
{)
2
14. sin (Arccos 3)
--_
-_)
3)
15. tan (Arcsin
2
--_
-_)
2
16. tan (½ Arccos 5)
2
3
17. cos (1Arcsin
3_1-0
10
19. sin [Cos-1 (-_--_) - 4]
20. cos [Sin-1 (_-_)
0
(-1)
6)
18. sin (2 Arccos 3)
24
25
+ f]
0
21. Tan[_
0
i
T40
Glencoe Division, Macmillan/McGraw-Hiil
+Sin -1 -_-_]