Vector $\vec{A}$ in space makes angle $\alpha, \beta$ and $\gamma$ with $x, y$ and $z$ axis. go thro

Question

Vector $\vec{A}$ in space makes angle $\alpha, \beta$ and $\gamma$ with $x, y$ and $z$ axis. go through the following statements 1) Component of $\vec{A}$ along y-axis has a magnitude A sin $\alpha$ 2) The component of $\vec{A}$ along y-axis has a magnitude $A \cos \beta$ 3) $\cos ^{2} \alpha+\cos ^{2} \beta+\cos ^{2} \gamma=1$ 4) $\sin ^{2} \alpha+\sin ^{2} \beta+\cos ^{2} \gamma=1$ 5) $\alpha+\beta+\gamma=360^{\circ}$ Number of correct statements are\

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Statements 2 and 3 correct\