why the range of (sin x- cos x)
is from [-√2,√2]......
Deepak Kallal hoga vo jo sirf points ke liye wrong ans type karega
Rakhi Sawamt hogi vo jo sirf points k liye wrong ans type karegi
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Answer:
the range of asinx + bcosx is given by ±√ a²+b²
where a and b are real nos.
in this question...a and b are 1 and -1 respectively..
range of sinx - cosx = ±√ 1²+1²
= ±√2
so the range of sinx - cosx are [-√2, +√2]
Hope it helps......
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