Mathematics, 29.10.2019 14:31 colexie7410
Find all values of the angle θ (in radians, with 0 ≤ θ < 2π) for which the matrix a = cos θ −sin θ sin θ cos θ has real eigenvalues. (enter your answers as a comma-separated list.)
Answers: 1
such that
for all values of 
, so we need to have 
in order for 
is any integer, and over the given interval we have 
and 
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Find all values of the angle θ (in radians, with 0 ≤ θ < 2π) for which the matrix a = cos θ −sin...
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