Solve for the angle ?, where 0 ? ? ? 2?sin 2? + cos ? = 0
A. ? = 
, 
, 
, 
B. ? = 
, 
, 
, 
C. ? = 
, 
, 
, 
D. 
, 
, 
, 
Answer: C
Mathematics
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Find the product. (The expression is not a polynomial, but the formula can still be used.)
?
?
A. 
B. 
C. 
D. 
E. 
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Factor.
A. 
B. 
C. 
D. 
E. 
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Solve the problem.If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Write an equation expressing the velocity, V, in terms of the number of seconds, t. Use this function to predict the velocity of the object at time 
A. 153.3 feet per second B. 152 feet per second C. 154 feet per second D. 155.3 feet per second
Mathematics
Use a reference triangle in an appropriate quadrant to find the angle.cot-1 (-1)
A. - 
B. 
C. 
D. - 
Mathematics