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`         f(x)=sec2x-tan2x and g(x)=sin2x+cos2x . Show that they are identical or non identical function.`
one year ago

1800 Points
```							two functions are identical iff they have exactly same domain and are equal to each other in that domain. but since the domain of f(x)=sec2x-tan2x does not include x=pi/2 while it is a valid point in the domain of  g(x)=sin2x+cos2x, hence these two functions are NON IDENTICAL
```
one year ago
35 Points
```							Domain of f(x) is R-{n(pi/2)} where n is any integerDomain of g(x) is RSince domains are not equal, f(x) and g(x) are not identical.
```
one year ago
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### Course Features

• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions