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# ICSE Class 10 Answered

Prove that  (tanA+secA) - (secA+tanA)(secA-tanA) = (tanA+secA)(1-secA+tanA)
Asked by sunilvakkat | 25 Oct, 2018, 02:47: PM
Expert Answer
(tanA+secA) - (secA+tanA)(secA-tanA)
take common
=(tanA+secA) (1-(secA-tanA))
=(tanA+secA) (1-secA+tanA)
Answered by Arun | 26 Oct, 2018, 10:07: AM

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