English, asked by priyoranjan44, 10 months ago

the maximum value of 3 cosx+4sin x+8​

Answers

Answered by padmagalli82
1

Answer:

To find it's maximum value, first find maximum value of 3cosx+4sinx. The maximum value of asinx + bcosx is equal to square root of a^2+b^2. Hence the maximum value of 3cosx+4sinx is square root of 9+16=25 i.e 5.

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