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If Sec A + Tan A …

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If Sec A + Tan A = X, find the value of Sec A- Tan A.
  • 1 answers

Manav Kumar 4 years, 9 months ago

SecA + TanA = X. Sec^2A - Tan^2A = 1 . (SecA + TanA)(SecA - TanA) =1. X(SecA - TanA )= 1. SecA- TanA=1/X.
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