Question: prove that secx - tanx = tan (pi/4 -x/2) ** Work with only ONE side (cannot work with both). Use only the co-function identities, compound

prove that secx - tanx = tan (pi/4 -x/2)

** Work with only ONE side (cannot work with both). Use only the co-function identities, compound angle identities, double angle, and Pythagorean identities. show all step please!

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