is the function f(x)=sinx+cosx, a constant function?
Asked by | 18th Apr, 2011, 09:10: PM
A constant function has the same value for all x.
For f(x) = sinx + cosx,
f(0)= sin0 +cos0 = 0 +1 = 1
f(pi) = sin(pi) + cos (pi) = 0 + (-1) = -1
thus f(0) and f(pi) have diferent values, so f(x) is not a constant function
Answered by | 19th Apr, 2011, 10:00: AM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number