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If
E
(
θ
)
=
[
cos
θ
sin
θ
−
sin
θ
cos
θ
]
E(\theta) = \begin{bmatrix} \cos \theta & \sin \theta \\ -\sin \theta & \cos \theta \end{bmatrix}
E
(
θ
)
=
[
cos
θ
−
sin
θ
sin
θ
cos
θ
]
…
Mathematics
Problem
If
E
(
θ
)
=
[
cos
θ
sin
θ
−
sin
θ
cos
θ
]
E(\theta) = \begin{bmatrix} \cos \theta & \sin \theta \\ -\sin \theta & \cos \theta \end{bmatrix}
E
(
θ
)
=
[
cos
θ
−
sin
θ
sin
θ
cos
θ
]
. then value of
E
(
α
)
E(\alpha)
E
(
α
)
.
E
(
β
)
E(\beta)
E
(
β
)
is-
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