The least vlaue of `(1)/(5cosx+12sinx+15),` isA. `-18`B. `1//28`C. 28D – InterviewSolution

1.	The least vlaue of `(1)/(5cosx+12sinx+15),` isA. `-18`B. `1//28`C. 28D. `1//18`
Answer» Correct Answer - B We have, `-13le 5cosx+12sin x le13 "for all"x inR` `implies2le5 cosx+12 sinx+15le 28"for all"x inR` `implies1/28le(1)/(5cosx+12sinx+15)is 1/28`

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