Question

13. If 2x = sec A and
2/x
=tan A, find the value
of 2(x² - 1/x²)
​

Answer 1

Answer:

Usiong sec2θ−tan2θ=1

⇒(2x)2−(x2)2=1, substitute the given values in terms of x

⇒4x2−x24=1

⇒4(x2−x21)=1

⇒x2−x21=41

Step-by-step explanation:

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Answer 2

Answer:

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