What is the max value of 2sinx+4cosx+3?

1 Answer
Mar 1, 2018

3+sqrt20

Explanation:

The maximum value of a sinx+bcosx=sqrt (a^2+b^2)
So max. value of
2sinx+4cos x+3 " is " 3+sqrt20

In case your question is
2sinx+4cosc+3 then the answer is 9 because maximum value of sinx is 1 and of cos c is also 1.