Write the following in terms of cos ? only.
?
sin ?
What will be an ideal response?
Mathematics
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Factor completely.x2 + 5x - 14
A. (x - 7)(x + 1) B. (x - 7)(x + 2) C. Prime D. (x + 7)(x - 2)
Mathematics
Solve.log 5 x = -2
A. 3
B. -10
C. 
D. 
Mathematics
Solve the problem.The loudness of a sound can be approximated by the formula d = 10 log 
where d is the number of decibels. The higher the value of d, the louder the sound. Find the number of decibels when I = 10,000 and I0 = 1.
A. 10,000 B. 14 C. 10 D. 40
Mathematics
Solve the problem.Determinants are used to show that three points lie on the same line (are collinear). If 
= 0,then the points (x1, y1), (x2, y2), and (x3, y3) are collinear. If the determinant does not equal 0, then the points are not collinear. Are the points 
, 
, and
collinear?
A. Yes B. No
Mathematics