+0  
 
0
56
3
avatar+275 

Hello! I still need help on this problem

If you can help me, I'd appreciate it a lot!! Thank you :)

 Jun 9, 2020
 #1
avatar+24342 
+2

Start with   cos x          which has amplitude of 1

        refelect it

               - cos x

               amplitude   of 9

                     - 9 cos x

                    verical shift of  - 11

                            - 9 cos x      - 11

                           period 12pi/7                  2 pi / 12 pi/7 = 7/6

                                 -9 cos( ( 7/6)x )    - 11

 Jun 9, 2020
 #2
avatar+275 
0

Thank you so so much! I appreciate it a lot. You've been helping me quite a bit, and I can't thank you enough.

auxiarc  Jun 10, 2020
 #3
avatar+24342 
0

You are welcome !      cheeky

ElectricPavlov  Jun 11, 2020

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