Consider the matrix function
A(t) =
Compute (t).
A) $ \left[\begin{array}{ll}-2 \cos (2 t) & 5 \sin (5 t) \ 5 \sin (5 t) & 2 \cos (2 t)\end{array}\right] $
B) $ \left[\begin{array}{l}2 \cos (2 t)-5 \sin (5 t) \ -5 \sin (5 t)-2 \cos (2 t)\end{array}\right] $
C) $ \left[\begin{array}{ll}\cos (2 t) & -\sin (5 t) \ -\sin (5 t) & -\cos (2 t)\end{array}\right] $
D) $ \left[\begin{array}{ll}-\cos (2 t) & \sin (5 t) \ \sin (5 t) & \cos (2 t)\end{array}\right] $

Question

Consider the matrix function
A(t) = 
Compute  (t).
A) $ \left[\begin{array}{ll}-2 \cos (2 t) & 5 \sin (5 t) \ 5 \sin (5 t) & 2 \cos (2 t)\end{array}\right] $ 
B) $ \left[\begin{array}{l}2 \cos (2 t)-5 \sin (5 t) \ -5 \sin (5 t)-2 \cos (2 t)\end{array}\right] $ 
C) $ \left[\begin{array}{ll}\cos (2 t) & -\sin (5 t) \ -\sin (5 t) & -\cos (2 t)\end{array}\right] $ 
D) $ \left[\begin{array}{ll}-\cos (2 t) & \sin (5 t) \ \sin (5 t) & \cos (2 t)\end{array}\right] $

Quizplus · Accepted Answer

The Answer of Consider the matrix function
A(t) = 
Compute  (t).
A) $ \left[\begin{array}{ll}-2 \cos (2 t) & 5 \sin (5 t) \ 5 \sin (5 t) & 2 \cos (2 t)\end{array}\right] $ 
B) $ \left[\begin{array}{l}2 \cos (2 t)-5 \sin (5 t) \ -5 \sin (5 t)-2 \cos (2 t)\end{array}\right] $ 
C) $ \left[\begin{array}{ll}\cos (2 t) & -\sin (5 t) \ -\sin (5 t) & -\cos (2 t)\end{array}\right] $ 
D) $ \left[\begin{array}{ll}-\cos (2 t) & \sin (5 t) \ \sin (5 t) & \cos (2 t)\end{array}\right] $

Consider the Matrix Function A(t) = Compute (T) [−2cos⁡(2t)5sin⁡(5t)5sin⁡(5t)2cos⁡(2t)] \left[\begin{array}{ll}-2 \cos (2 t) & 5 \sin (5 t) \\ 5 \sin (5 t) & 2 \cos (2 t)\end{array}\right] [−2cos(2t)5sin(5t)​5sin(5t)2cos(2t)​]

Consider the Matrix Function
A(t) =
Compute (T) $\left[\begin{array}{ll}-2 \cos (2 t) & 5 \sin (5 t) \\ 5 \sin (5 t) & 2 \cos (2 t)\end{array}\right]$