If `|s in x+cos x|=|s in x|+|cos x|(s in x ,cos x!=0)`, then in which – InterviewSolution

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1.	If `\|s in x+cos x\|=\|s in x\|+\|cos x\|(s in x ,cos x!=0)`, then in which quadrant foes `x`lie?
Answer» Here we have \|sin x + cos x \| = \| sin x \| + \| cos x \| . It implies that sin x and cos x must have the same sign Therefore , x lies in the first or third quadrant .

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