[" Prove that "],[qquad (tan A)/((1-cot A))+(cot A)/((1-tan A))=(1+tan A+cot A)*cos varepsilon2 pi ny]

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Find (tan A)/((1-cot A))+(cot A)/((1-tan A))

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

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

Prove that (tan phi)/(1-cot phi)+(cot phi)/(1-tan phi)=1+tan phi+cot phi

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

prove that ((1-tan A)/(1-cot A))^(2)=tan^(2)A

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

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 : (cot A - 1)/ (2 - sec^(2) A) = (cot A)/ (1 + tan A)

Prove that: (tan A)/(1+tan^2A)^2 + (cot A)/(1+cot^2A)^2 = sin A cos A .