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सिद्ध कीजिए कि : (sec A - tan A)/( sec A...

सिद्ध कीजिए कि : `(sec A - tan A)/( sec A + tan A) = 1 - 2 sec A tan A + 2 tan^(2) A `

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Prove the following identities : (sec A - tan A)/ (sec A + tan A) = 1 - 2 sec A tan A + 2 tan^(2) A

(sec A + tan A -1) (sec A - tan A+1)=

sqrt((sec A-tan A)/(sec A+tan A))=?

1/(sec A + tan A) = sec A - tan A

(sec A - cos A) (cot A + tan A) = tan A sec A.

(1)/(sec A-tan A)=sec A+tan A

(1)/(sec A-tan A)=sec A+tan A

(sec^4 - tan^4A)/(sec^2 A - tan^2 A) =………

(sec A+tan A-1)(sec A-tan A+1)=2tan A