Use a calculator to find the function value to four decimal places.cos (690°)
A. 1.0000
B. 0.8660
C. -0.5000
D. 0.5000
Answer: B
Mathematics
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Use the inverse trig functions to express the angle in terms of the indicated unknown side. 
Express angle A in terms of b. Use one of the inverse trig functions tan-1, sin-1, or cos-1.
A. A = tan-1 
B. A = sin-1 
C. A = sin-1 
D. A = cos-1 
Mathematics
Perform the indicated operation and express in lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics
Find the absolute value.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = x3 + 5x2 - 12x + 14; x + 7
A. Yes B. No
Mathematics