" I2."quad (cot A+cos ncA-1)/(cot A-cos ccA+1)=(1+cos A)/(sin A)

(cot A + cos ecA-1) / (cot A-cos ecA + 1) = (1 + cos A) / (sin A)

Prove the following identities: (cot A+cos ecA-1)/(cot A-cos ecA+1)=(1+cos A)/(sin A)

Prove that (cot A-cos A)/(cot A+cos A)=(cos ecA-1)/(cosecA+1)

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)

Prove that (cot A - cos A)/(cot A + cos A) = (cosec A -1)/(cosecA+1) .

Prove the following : (cot A - cos A)/(cot A + cos A) = (cosec A -1)/(cosec A + 1) .

Show that (cot A - cos A)/(cot A + cos A) = ( cosec A - 1)/(1 + cosec A)

Prove that , (Cot A-cos A)/(cot A+cos A)=(cosec A-1)/(cosec A+1)

Prove that (cot A-cos A) / (cot A + cos A) = (cos ecA-1) / (cos ecA + 1)