if 6x=secQ and 6/x=TanQ,find the value of 9(x²-1/x²)
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Answer:
1/4
Step-by-step explanation:
sec^2q - tan^2q =1
36x^2-36/x^2 =1
36(x^2 -1/x^2)=1
x^2-1/x^2=1/36
therefore,
9×1/36=1/4
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