Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.cos2 x - cos x = 0
A. {? + 2n?}
B. 
C. 
D. 
Answer: C
Mathematics
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Graph the set of points whose polar coordinates satisfy the given equation or inequality.? ? ? ? 
, r = -4
A. 
B. 
C. 
D. 
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Find an antiderivative of the given function.5
- 5
A. 
x3/2 - 5x
B. 5x3/2 - 5
C. 5x3/2 - 5x
D. 
x3/2 - 5
Mathematics
Find the sum.21.45544 + 464 + 8.116 + 91.82 + 6.5293
A. 592.02074 B. 591.93074 C. 592.92074 D. 591.92074
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Answer the question.Which of the following complex fractions is equivalent to 
?
A. 
B. 
C. 
D. 
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