(cos A cosec A-sin A sec A)/(cos A+sin A)=cosec A-sec A

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)

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

Prove that : (cosec A-sin A ) (sec A-cos A)=sinA cosA

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

What is the value of (cosec A - sin A) (sec A - cos A) (tan A + cot A) ?

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

Prove that : (cosec A - sin A) (sec A - cos A) sec^(2) A = tan A

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

Prove the following identity : (1+ cot A+tan A) (sin A-cos A) =(secA)/(cosec^2 A)- (cosec A)/(sec^2A) .