" (i) "(1+sin A-cos A)/(1+sin A+cos A)=tan(A)/(2)

Prove that : (1+sin 2A-cos 2A)/(1+sin 2A+cos 2A) = tan A

(1 + sin2A-cos2A) / (1 + sin2A + cos2A) = tan A

(1 + sin x-cos x) / (1 + sin x + cos x) = tan ((x) / (2))

Prove that :(1+sin2A-cos2A)/(1+sin2A+cos2A)=tan A

Prove: ( sin 2 A)/( 1 + cos 2 A)= tan A

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

Prove that (i) (sec 8A -1)/(sec 4A -1) =(tan 8A)/(tan 2A) (ii) (cos A+ sin A)/(cos A - sin A)-(cos A-sin A)/(cos A+sin A)=2 tan 2A

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

(1+ sin A- cos A)/( 1+ sin A + cos A)= .................... A) sin ""A/2 B) cos ""A/2 C) tan ""A/2 D) cot ""A/2

(sin A + sin2A) / (1 + cos A + cos2A) = tan A