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Vector Algebra question

2017 · Shift 2 · Q34

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PYQ Library
JEE Advanced
Mathematics
Vector Algebra
2017 · Shift 2 · Q34

Vector Algebra question

2017 · Shift 2 · Q34

JEE AdvancedMathematicsVector AlgebraMCQ+3 / −1

Let O be the origin and

\overrightarrow{OX}

,

\overrightarrow{OY}

,

\overrightarrow{OZ}

be three unit vectors in the directions of the sides

\overrightarrow{QR}

,

\overrightarrow{RP}

,

\overrightarrow{PQ}

respectively, of a triangle PQR.|

\overrightarrow{OX} \times \overrightarrow{OY}

| = ?

A
sin(P + Q)
B
sin(P + R)
C
sin(Q + R)
D
sin2R

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