please solve this When establishing identities show all your

When establishing identities show all your work in a step by logical and organized manner as shown in class on these test sheets for full or use arrows and manner as shown in class on these test for full or credit if flow your logic i cannot give your full credit.

Solution

1-2cos^2x = 1-cos^2x-cos^2x = sin^2x-cos^2x
(1-2cos^2x)/sinxcosx = sinx/cosx -cosx/sinx = tax-cotx