सिद्ध कीजिए कि
` tan . A/2 + cot . A/2 = 2 "cosec" A .`

tan A + cot A = 2 cosec 2A

Prove that tan A + cot A = 2 "cosec 2A" .

Prove that: tan(A/2)+ cot(A/2)=2 "cosec"A

Show that tan A+cot A=2 cosec 2A

prove that tan A+cot A=2 cosec 2A

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

If A is not an integral multiple of (pi)/(2) , prove that (i) tan A + cot A= 2 cosec 2 A (ii) cot A - tan A = 2cot 2A

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

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

Solve the equation cot x + tan x = 2 cosec x .