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0 votes
35.0k views
in Mathematics by (76.3k points)

Find maximum and minimum values of following : 

3sinx + 4cosx

1 Answer

+1 vote
by (71.2k points)
selected by
 
Best answer

We know 

– 5 ≤ 3sinx + 4cosx ≤ 5

by (10 points)
what if the question said 3sinx-4cosx ?
by (24.8k points)
Same 3 sin x - 4 cos x ∈ [-5, 5]

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