how to solve 1/secx-1 - 1/secx+1

Prove it as a single identity
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1 Answer

1/sekant=kosine

obveeus quesshun....shood yu hav put sum (...) sumweer in yer "quesshun"??????

as it stand, yu sae kosine(x) -1 -kosine(x) +1

wich = null
by

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