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If alt=3cosx+5sin(x-pi/6)lt=b for all x ...

If `alt=3cosx+5sin(x-pi/6)lt=b` for all `x` then `(a , b)` is `(-sqrt(19),sqrt(19))` (b) `(-17 ,17)` `(-sqrt(21),sqrt(21))` (b) `non eoft h e s e`

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If alt=3cosx+5sin(x-pi/6)lt=b for all x then (a , b) is (a) (-sqrt(19),sqrt(19)) (b) (-17 ,17) (-sqrt(21),sqrt(21)) (b) non eoft h e s e

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