prove that secA(1-sinA)(seca+tanA)=1 ?

Asked by pankajkumarsingh25 | 6th Feb, 2010, 06:27: PM

Expert Answer:

secA(1-sinA)(secA+tanA)

=(secA-tanA)(secA+tanA)

=1... using identity

Answered by  | 6th Feb, 2010, 07:17: PM

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