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  1. Maximum value of (2 sin θ + 3 cos θ) is
    1. 2
    2. √13
    3. √15
    4. 1
Correct Option: B

Maximum value of a sin θ + b
cos θ = √a² + b²
∴ Maximum value of 2 sin θ + 3
cos θ = √2² + 3² = √3


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