1)Write the equation sin y= x in the form of an inverse function.

Question

A)y=Sin-1x
B)x=Sin-1y
C)y=sin-1x
D)y=Sinx
I chose A

2)Solve y=Arcsin1/2
A)-5pi/6
B)5pi/6
C)-pi/6
D)pi/6
I chose D

3)Find the value of Sin-1(-1/2)
A)-30 degrees
B)30 degrees
C)150 degrees
D)330 degrees
I chose A

4)Find the value of tan(Tan-1 1/2)
A)-1
B)1
C)1/2
D)-1/2
I chose C

Answer 1

ok, except what is the difference between A and C in #1 ?

Answer 2

its just the capital S in A and lowercase s in C

Answer 3

so what's the difference in meaning, I can see the difference in "appearance".

Answer 4

I don't know that's just what it says in my book.