Find the maximum value of the followi) 5 sin x 12 cos x – InterviewSolution

1.

Find the maximum value of the followi) 5 sin x 12 cos x

Answer»

-1 <= sinx <= 1-5 <= 5sinx <= 5.......(1)

-1 <= cosx <= 1-12 <= 12cosx <= 12...... (2)

adding (1) and (2)-12-5 <= 5sinx + 12cosx <= 12+5-17 <= 5sinx + 12cosx <= 17

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