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

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

(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

Prove that (sec A-cosec A)(1+tan A+cot A)=tan A secA + cotA cosec A

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

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

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 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)