SOLUTION: Write each equation in the form of an inverse function. 1. B = cos a 2. tan B = a 3. y = tan 120 4. -1/2 = cos x 5. sin 2pi/3 = square root 3/ 2 6. cos pi /3 =1/2

Question 1034534: Write each equation in the form of an inverse function.
1. B = cos a
2. tan B = a
3. y = tan 120
4. -1/2 = cos x
5. sin 2pi/3 = square root 3/ 2
6. cos pi /3 =1/2
Answer by ikleyn(52784) (Show Source): You can put this solution on YOUR website!
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Write each equation in the form of an inverse function.

1. B = cos a                      a = arccos(B)  ( + , for generality)

2. tan B = a                      B = arctan(a)  ( + , for generality)

3. y = tan 120                    120� =  - arctan(y)   ( think why it is so )

4. -1/2 = cos x                   x = arccos()   ( + , for generality)

5. sin 2pi/3 = square root 3/ 2    =  - arcsin()    ( think why it is so ! )

6. cos pi /3 =1/2                  = arccos()

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