220KiB, 420x320, product-nspire-cx-hero-testbug.png View SameGoogleiqdbSauceNAO Anonymous Tue 26 Apr 08:48:12 2022 No.14430020 ViewReplyOriginalReport Quoted By: I don't understand the double angle identities and I'm writing a python script to solve them for me. is 1/sin(2x) = csc(2x)