[" en Jharkhand Question Bank-X "],[" 1"...

[" en Jharkhand Question Bank-X "],[" 1"20." fित्र्ध कीजिए कि ( )/( )"1+sin A+(1+sin A)/(cos A)=2sec A],[" IJAC- "-2009S,2012S" ,"2m" ."]

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(cos A)/(1+sin A)+(sin A)/(cos A)=sec A

Prove that (cos A)/(1+sin A)+(1+sin A)/(cos A)=2sec A

( cos A ) /( 1 + sin A ) + ( 1 + sin A ) /( cos A ) = 2 sec A

(1) / (1 + sin A) + (1) / (1-sin A) = 2sec ^ (2) A

Prove: (1)/(1+sin A)+(1)/(1-sin A)=2sec^(2)A

(1+sec A)/(sec A)=(sin^(2)A)/(1-cos A)

To prove '(cos A / 1 + sin A) + (1 + sin A / cos A) = 2sec A

(1 + sec A ) / ( sec A ) = ( sin ^ 2 A ) /( 1 - cos A )

Prove that ( 1+ sec A)/( sec A) =(sin ^(2) A)/( 1-cos A)