differentiation
Isme x ki range nhi di hai to cosx ka diff | sinx | lenge ki sirf sinx ( que 5)
9 Replies
@Apu
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.You'll have to divide f(x) into cos(x) and -cos(x) wherever cosx is positive and negative
and then find the derivative of both in each interval
This is different from sinx and |sinx| because the interval differs
when x is between 0 to pi/2 and 3pi/2 to 2pi cos x is positive
then angle given is not in this interval so there will be an extra negative when you remove mod
so you’ve to differentiate -cos x
range is not given but you know where you’ve to evaluate, i.e., 3pi/4 so use an interval which agrees with the mod and this value
Thanks man i understood
What if 2 or more functions are given inside mod?
Like this Que 6
Can we check by putting the value and checking if the function is becoming -ve at that point
lets start another thread for this.
Thanks @πrate bhai for taking time out from your classes to help :)
+solved @πrate @Comrade Rock Astley
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