Solve the equation on the interval 0 ? ? < 2?.2 sin2 ? - 3 sin ? - 2 = 0
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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A. 
B. 1
C. 
D. 
Mathematics
Add.0.65 + (-3.598)
A. 2.948 B. -4.248 C. -2.948 D. -4.148
Mathematics
Solve the problem.A tunnel is to be dug from point A to point B. Both A and B are visible from point C. If AC is 250 miles and BC is 519 miles, and if angle C is 90°, find the measure of angle B. Round your answer to the tenths place.
A. 31.4° B. 18.7° C. 34.1° D. 25.7°
Mathematics
Write the series with summation notation.3 + 9 + 15 + 21 + 27
A. 
B. 
C. 
D. 
Mathematics