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" Do that (Prove that) "cot^(2)A-tan^(2)...

" Do that (Prove that) "cot^(2)A-tan^(2)A=4cot2A cosec2A

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cot^(2)A-tan^(2)A=4cot2A cos ec2A

Prove that: cot^2A-tan^2A=4\ cot2A cos e c2A

(b) prove that tan^(2)A+cot^(2)A+2=sec^(2)A*cosec^(2)A

Prove that cot(theta/2)-tan(theta/2)=2cot theta

tan A + cot A = 2 cosec 2A

Prove that cotA-cosec2A=cot2A

Prove that : (cot^(2) A)/(cosec A - 1) - 1 = cosec A

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

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

Prove that: i) cot^(2)A+cot^(4)A="cosec"^(4)A-"cosec"^(2)A ii) tan^(2)A+tan^(4)A=sec^(4)A-sec^(2)A