# trig

posted by
**Claire**
.

I don't know to find the derivative of the following trig functions. Please help.

f(x)= cotx

h(x0= secx

i(x)= cscx

posted by
**Claire**
.

I don't know to find the derivative of the following trig functions. Please help.

f(x)= cotx

h(x0= secx

i(x)= cscx