Question

If sec+tan = 2, then sec -tan =​

Answer 1

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Given ....(1)

Also ....(2)

Dividing (2) by (1), we get

....(3)

Adding (1) and (3), we get

and subtracting (2) from (1), we get

Since both sec and tan are positive, therefore, lies in the first quadrant.

Answer 2

Answer:

I am not able to understand