Respuesta :
Answer:
the pictures are attached
please see the explanation in the attached picture
![Ver imagen Nayefx](https://us-static.z-dn.net/files/de5/82eeedc2d4569566379eb6505541a971.jpg)
![Ver imagen Nayefx](https://us-static.z-dn.net/files/dbe/725b21c8086e2e118e456ffcbc5fd2f3.jpg)
Answer:
note:[tex]\theta =y[/tex]
Your answer is in the attachment.
we have
siny(cosy-siny)
taking - common from this
-siny(-cosy+siny)
-sin y(siny-cosy)
![Ver imagen msm555](https://us-static.z-dn.net/files/d6d/0996c859325c7d6a3b27a3aa6d98796f.jpg)
![Ver imagen msm555](https://us-static.z-dn.net/files/d6a/6926623676feda9277424e889cfcefa9.jpg)