Find the inverse of the given matrix, if it exists. Verify your answer.
Mathematics
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Find the derivative.s = t7 tan t - 
A. 
= 7t6 sec2 t - 
B. 
= t7 sec2 t + 7t6 tan t - 
C. 
= t7 sec t tan t + 7t6 tan t - 
D. 
= - t7 sec2 t + 7t6 tan t + 
Mathematics
Subtract.65 - 41
A. 106 B. 124 C. 24 D. 22
Mathematics
Perform the indicated operations. Simplify the answer.
? 
A. -16 B. 4i C. 4 D. 16i
Mathematics
Graph the function over a one-period interval.y = cos 
+ 
A. 
B. 
C. 
D. 
Mathematics