1The 2nd question is simple. 0≤(π/4)Cos2x≤π/4
So, tan of it should belong to [0,1]
For the 1st one, I think the fuction is increasing in the intervals [2,3] and [4,∞).
I hope I'm correct!
just tell me the answers
Q1 Interval in which elx2-6x+8l increases ??
Q2 Range of tan (Ï€/4 cos2x)
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UP 0 DOWN 0 0 3
3 Answers
1
24thanx both of u ....
i was getting these answers...but the book had diff...
thanx again :)