1.

If a= ( 1)/( 5 cos x+ 12 sin x) then for all real x

Answer»

the LEAST positive VALUE of a is `(1)/(13)`
the greatest NEGATIVE value of a is `- (1)/(13)`
` a LE (1)/( 13)`
`- (1)/( 13) le a le (1)/(13)`

Answer :A::B


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