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STD 11 - 3. trignometrical ratios,functions and identities — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 3. trignometrical ratios,functions and identities4 Marks
MCQ
The maximum value of the function $f(x) = 3\sin x + 4\cos x$ is
  • A
    $3$
  • B
    $4$
  • ✓
    $5$
  • D
    $7$
✓

Answer

Correct option: C.
$5$
c
(c) Maximum value of $f(x) = \sqrt {{3^2} + {4^2}} = 5$.

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