Mathematics

Problem

A vector

\boldsymbol{a}

has the components

2p

and

1

w.r.t. a rectangular cartesian system. This system is rotated through a certain angle about the origin in the counter clockwise sense. If with respect to a new system,

\boldsymbol{a}

has components

(p+1)

and

1

, then a.

p=0

p=1

p=-\frac{1}{3}

p=-1

p=\frac{1}{3}

p=1

p=-1

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