Question

if 3x=codec and 3/x=cot,find 3(x2_1/x2)
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Answer 1

Answer:

1/3

Step-by-step explanation:

X= cosec/3 1/x = cot/3

3(x^2-1/x^2)

3(cosec^2/9- cot^2/9)

3(cosec^2- cot^2)/9

Cosec^2-cot^2/3. (Cosec^2-cot^2=1)

=1/3