Use the given information to find the exact value of the expression.cos ? = 
, ? lies in quadrant IV
Find sin 2?.
A. 
B. - 
C. 
D. - 
Answer: D
Mathematics
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Solve the problem.In a right triangle, the sum of the two acute angles can be represented by the formula a + b = 90°. Find the measure of the missing angle of one of the angles measures 22°.
A. 68° B. 112° C. 158° D. 38°
Mathematics
Solve the problem.In the weighted voting system [q : 24, 12, 6, 3], what is the largest possible value of the quota q for which P4 is a dummy?
A. 42 B. 41 C. 39 D. 40 E. none of these
Mathematics
Simplify.Evaluate. 5-4
A. -625
B. 
C. 625
D. 
Mathematics
A point lying on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function of ?.(-4, -3) Find sec ?.
A. 
B. 
C. - 
D. - 
Mathematics