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How to find the domain of sec 2 x-tan 2 x...... .............

How to find the domain of sec2x-tan2x...... .............

Grade:11

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
5 years ago
Dear student

it is a standard identity and its domain is the entire range on the real axis

Regards
Aditya Gupta
2081 Points
5 years ago
domain means the points where the function is defined. so obviously the given function is defined for all x belonging to R except for the points where cosx=0 or x=(2n+1)*pi/2. so domain is R – U(2n+1)*pi/2, n belongs to integer, and U means the union.

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