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

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

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

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

Prove the trigonometric identities: (1+cot A+tan A)(sin A-cos A)=(sec A)/(cos ec^(2)A)-(cos ecA)/(sec^(2)A)=sin A tan A-cot A cos A

Prove the following identities: (cos A)/(1-sin A)+(sin A)/(1-cos A)+1=(sin A cos A)/((1-sin A)(1-cos A))((1+cot A+tan A)(sin A-cos A)/(sec^(3)A-cos ec^(3)A)=sin^(2)A cos^(2)A

Prove that : (sin A - cos A) (1 + tan A + cot A) = (sec A)/ (cosec^(2) A) - (cosec A)/ (sec^(2) A)

Prove that : (tan A + cot A) (cosec A - sin A) (sec A - cos A) = 1

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

(1+tan A)/(sin A)+(1+cot A)/(cos A)=2(sec A+cosec A)

Prove that (i) (tan A+ sin A)/(tan A- sin A)= (sec A+1)/(sec A-1) (ii) (cot A- cos A)/(cot A+ cos A)= ("cosec" A-1)/("cosec" A+1)