Question

Maximum value of the expression 2sinx + 4cosx + 3 is

• A. 2 $\sqrt{5}$+ 3
• B. 2 $\sqrt{5}$- 3
• C. $\sqrt{5}$+ 3
• D. None

Answer 1

Answer: (A)

2 $\sqrt{5}$+ 3

Answer 2

Maximum value of 2sinx + 4cosx =$2\sqrt{5}$. Hence the

maximum value of 2sinx + 4cosx +3 is $2\sqrt{5} + 3$