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

1 Answer
Chirag Mehta
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#.

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