1) Factor the expression then use fundamental identities to simplify

Question

1) Factor the expression then use fundamental identities to simplify

Cos^2xsec^2x-cos^2x

2) Perform the subtraction then use the fundamental identities to simplify

a) 1/secx+1 – 1/secx-1

b) tanx- sec^2x/tanx

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Trigonometry