IIT JEE , AIEEE Forum - Mathematics , Trignometry - sinA - tanA and secA + tanA are reciprocals.

Discussion Response Post to: sinA - tanA and secA + tanA are reciprocals.

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21 Aug 2007 21:36:47 IST

Subject: Re:sinA - tanA and secA + tanA are reciprocals.

123santom (69)

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1. take conjugate

(secA-tanA) (secA+tanA)/(secA-tanA)

=sec²A-tan²A/secA-tanA

=1/secA-tanA (since sec²A-tan²A =1)

it is the same for next also.

i hope iam correct.rate me if it is

useful .

cheers!!!!!!!

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this reply: 10 points (with 2 Olaaa!! Perrrfect answer.

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