Can not seem to find the answer. If x^sin y= y^cos x(adsbygoogle = window.adsbygoogle || []).push({});

Find dx/dy (pi/4 , pi/4).

If someone could help it would be great.

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Having a hard time with a derivative

**Physics Forums | Science Articles, Homework Help, Discussion**