(tan A)/(4-cothat t)+(cot A)/((1-f(n)A))-1+tan A+10-1D

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

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

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

(tan A + tan B)/( cot A + cot B)+(1- tan A tan B)/( 1- cot A cot B)=

(sec 8 A-1)/( sec 4A-1)= ..................... A) (tan 2A)/( tan 8A) B) (tan 8A)/(tan 2A) C) (cot 8A)/(cot 2A) D) (tan 6A)/(tan 2A)

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

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

Prove : (tan theta) /(1- cot theta) + (cot theta)/ (1-tan theta) = 1 + tan theta + cot theta

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