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Questions  >>  CBSE XI  >>  Math  >>  Trigonometric Functions
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Q)

Find the maximum and minimum values of the following expression $3\cos\theta+5\sin (\theta-\large\frac{\pi}{6})$

$\begin{array}{1 1}(A)\;Y_{max}=\sqrt {19},Y_{min}=-\sqrt{19}\\(B)\;Y_{max}=\sqrt {17},Y_{min}=-\sqrt{17}\\(C)\;Y_{max}=\sqrt {13},Y_{min}=-\sqrt{13}\\(D)\;Y_{max}=\sqrt {21},Y_{min}=-\sqrt{21}\end{array} $

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