Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 75°
A. - 
B. - 
C. 
D. 
Answer: D
Mathematics
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Graph the polar equation.r = 1 - sin ?
A. 
B. 
C. 
D. 
Mathematics
Match the function to its graph.y = tan (x + ?)
A. 
B. 
C. 
D. 
Mathematics
Convert to decimal notation.2.982 × 107
A. 298,200,000 B. 2,982,000 C. 29,820,000 D. 208.74
Mathematics
Choose which of the following descriptions apply to the number (more than one may apply): whole, integer, rational, irrational, real.0.9898...
A. Whole, rational, real B. Irrational, real C. Real D. Rational, real
Mathematics