Solve the equation for solutions in the interval [0, 2?).
cos 2x = 1
A. 
B. 
C. ?
D. 
Answer: D
Mathematics
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For each right triangle, find the missing quantity.Find A. Round to the nearest thousandth of a degree if necessary.
A. A = 30° B. A = 60° C. A = 26.565° D. A = 63.435°
Mathematics
For the given rectangular equation, write an equivalent polar equation.y = x
A. sin ? = - cos ? B. r = sin ? C. r = cos ? D. sin ? = cos ?
Mathematics
Write the ratio as a fraction in lowest terms.8 to 34
A. 
B. 
C. 
D. 
Mathematics
Find the area of the triangle. If necessary, round the answer to two decimal places.a = 4, b = 5, c = 7
A. 9.80 B. 10.01 C. 16.01 D. 3.46
Mathematics