secx - cosecx/secx-cosecx=tanx-1/tanx+1
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Step-by-step explanation:
=secx - cosecx/secx + cosecx
=(1/cosx - 1/sinx)/(1/cosx + 1/sinx)
=(sinx - cosx)/(sinx + cosx)
Dividing numerator and denominator by cosx
=tanx-1 / tanx+1 [Hence proved]
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