# trig

posted by
**stacey graham**
.

verify the identity:

tan^2x(1+cot^2x)=1/1-sin^2x

Verify the Id:

tanx + cotx/ tanx-cotx = (1/sin^2x-cos^2x)

posted by
**stacey graham**
.

verify the identity:

tan^2x(1+cot^2x)=1/1-sin^2x

Verify the Id:

tanx + cotx/ tanx-cotx = (1/sin^2x-cos^2x)