Question

please give me answer of maths question​

Answer 1

Answer:

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Answer 2

Answer:

3(x²-1/x²)=1/3

Step-by-step explanation:

given 3x=cosecA and 3/x=cotA

to find 3(x²-1/x²)

cosecA+cotA=3(x+1/x)...(1)

cosecA-cotA=3(x-1/x)=>cosecA-cotA/3=(x-1/x)...(2)

since 3(x²-1/x²)=3(x+1/x)(1-1/x)

cosecA+cotA(cosecA-cotA)/3

(cosec²A-cot²A)/3

since cosec²A-cot²A=1

therefore

3(x²-1/x²)=1/3