" (b) "cot^(4)A+cot^(2)A=cosec^(4)A-cosec^(2)A

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

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

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

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

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

Prove that : cot^(2) A - cot^(2) B = (cos^(2) A - cos^(2) B)/ (sin^(2) A sin^(2) B) = cosec^(2) A - cosec^(2)B

Prove that cot^(4)theta+cot^(2)theta="cosec"^(4)theta-"cosec"^(2)theta

What is the simplified value of ("cosec"^4 A - cot^2 A )-(cot^4 A+ "cosec"^2A) ?

(cot^(2)A*sec A)/(cos^(2)A*sin^(2)A)=sec A*cosec^(4)A

int(Cot^(2)x)/((cosec^(2)x+cosec x))dx