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CBSE Class 10 Answered

prove that secA(1-sinA)(seca+tanA)=1 ?
Asked by pankajkumarsingh25 | 06 Feb, 2010, 06:27: PM
answered-by-expert Expert Answer

secA(1-sinA)(secA+tanA)

=(secA-tanA)(secA+tanA)

=1... using identity

Answered by | 06 Feb, 2010, 07:17: PM

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