7. Determine the exact value for the following compositions of inverse
trigonometry functions or state that the value does not exist. Explain why it
doesn't exist if this is the case. 24 points
-¹ (cos 23)
15
a) cos-1
b) sin
(sin-¹2)
-1
3π
-¹ (sin 377)
c) Cos-1
a)
b)
c)
3π
1-¹ (sin ³77)
4
sin-1
-1
-¹ (sin (157))
tan
tan (sin-¹(-))
