Use the given information to find the exact value of the trigonometric function.sin ? = - 
; The terminal side of ? lies in Quadrant IV.
Find cos 
.
A. - 
B. - 
C. 
D. 
Answer: A
Mathematics
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and 
have the same length of base and the same length of altitude.If the area of 
is 25
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What will be an ideal response?
Mathematics
Perform the matrix operation.Let A =
and B = 
. Find 3A + B.
A. 
B. 
C. 
D. 
Mathematics
Find the intercepts and then graph the line.-2y - 2x = 4
A. x-intercept: (2, 0); y-intercept: (0, 2)
B. x-intercept: (- 2, 0); y-intercept: (0, -2)
C. x-intercept: (- 2, 0); y-intercept: (0, 2)
D. x-intercept: (2, 0); y-intercept: (0, -2)
Mathematics
Solve the problem.Is the line that passes through (-4, 2) and (-1, -7) perpendicular to the line 
A. Yes B. No
Mathematics