" 6."(sec A-cos A)(cot A+tan A)=tan A*sec A

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

Prove: (sec A-cos ecA)(1+tan A+cot A)=tan A sec A-cot A cos ecA

7. (sin A+cos A)(cot A+tan A)=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)

(cosec A - sin A)^2 + (sec A - cos A)^2 - (cot A - tan A)^2 is equal to

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

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

Prove the following identity: (tan A)/(1-cot A)+(cot A)/(tan A)=(sec A cos ecA+1)

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