Math, asked by srr1993pe4gy8, 11 months ago

cot ^4A+cot^2A =3 , cosec^4A - cosec^2A =?

Answers

Answered by sprao534

0

Answer:

cot^4 A+cot^2 A=2

(cosec^2 A-1)^2+(cosec^2-1)=2

cosec^4 A-2cosec^2 A+1+cosec^2 A-1=2

cosec^4 A-cosec^2 A=2

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