R-formulaHardQuestion 200017
Question
The maximum value of 3 sin θ + 4 cos θ is:
- A3
- B4
- C5Correct
- D7
Correct answer
5
Explanation
a sin θ + b cos θ has maximum value √(a²+b²). Here: √(9+16) = √25 = 5.
JEE Mathematics · Hard
Trigonometry: R-formula MCQ
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