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Grade: 11
        
How to find the domain of sec2x-tan2x...... .............
one year ago

Answers : (2)

Saurabh Koranglekar
askIITians Faculty
3156 Points
							Dear student

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

Regards
one year ago
Aditya Gupta
1683 Points
							
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.
one year ago
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