Question

2x = secA and 2/x= tanA.
Find the value of 2(x² - 1/x²)​

Answer 1

Step-by-step explanation:

I hope it would help you

Answer 2

Answer:

1/2

Step-by-step explanation:

2x = secA and 2/x= tanA.

x=1/2 sec A and 1/x=1/2*tan A

x²=1/4 sec²A and 1/x²=1/4 tan²A

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Now 2(x² - 1/x²)​

=2*( 1/4 sec²A-1/4 tan²A)

=2*1/4( sec²A-tan²A)

=1/2*1

=1/2