Choose the expression which is equivalent to the given expression.1 - cos2 13°
A. cos2 26°
B. cos 26°
C. sin2 13°
D. sin 26°
Answer: C
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Solve.Jill is 12.5 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 1.5 kilometers per hour. They meet in 5 hours. How fast is Joe walking?
A. 2 kilometers per hour B. 1.5 kilometers per hour C. 3 kilometers per hour D. 1 kilometers per hour
Provide an appropriate response. Round your answer to the nearest hundredth if necessary.Steps 0 and 1 for constructing a fractal are given below. Assume that the length of the line segment in step 0 is 1. Find the length of the curve in step 4. 
A. 81 B. 7.72 C. 625 D. 12.86
Rewrite the following number using digits.Two thousand, twelve
A. 2120 B. 20,012 C. 2012 D. 212,000
Use your graphing calculator to convert the complex number to trigonometric form. Round the angle to the nearest hundredth of a degree.
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B. ?
C. ?
D. ?
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