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" cot "A-cosec*2A=cot2A...

" cot "A-cosec*2A=cot2A

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Prove that cotA-cosec2A=cot2A

csc2A+cot2A=?

Given : 4 cot A = 3 , find : "cosec"^2A - cot^2A

Prove that: cotA-cot2A="cosec"2A

Prove that: cotA-cot2A="cosec"2A

The value of (cosec 2A - cot 2A) is-

If A+B+C =pi , show that cot A + cot B+cot C-cosec A *cosec B* cosec C = cot A*cot B*cot C .

Prove the following identities : cosec^(4) A - cosec^(2) A = cot^(4) A + cot^(2) A

Prove that (cosA-sinA+1)/(cosA+sinA-1) =cosec A+ cot A using the identity cosec^(2)A=1+cot^(2)A .

Prove that (cosA-sinA+1)/(cosA+sinA-1) =cosec A+ cot A using the identity cosec^(2)A=1+cot^(2)A .