Use the formula 
, where 
to rewrite the trigonometric expression in the following form.
?
?
?
A. 
B. 
C. 3 
D. 
E. 
Answer: E
Mathematics
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Find the exact value of the expression.tan-1 (-
)
A. - 
B. - 
C. 
D. 
Mathematics
Complete the square for the binomial. Then factor the resulting perfect square trinomial.x2 - 14x
A. 196; x2 - 14x - 196 = (x - 14)2 B. 196; x2 - 14x + 196 = (x - 14)2 C. 49; x2 - 14x - 49 = (x - 7)2 D. 49; x2 - 14x + 49 = (x - 7)2
Mathematics
Provide an appropriate response.Find the arc length of the indicated sector of the given circle.
A. 117.81 mm B. 2.50 mm C. 15.71 mm D. 1.05 mm
Mathematics
Using either the Law of Sines or Cosines, find angle A if b = 96, c = 42, and B = 76ø.
a. 25.1ø b. 38.9ø c. 64.9ø d. 78.9ø e. 83.6ø
Mathematics