Prove the identity.
= -4 (cos2 t + cos t)
What will be an ideal response?
Answers may vary. One possible solution is: =
=
=
=
=
=
= -4 cos t (cos t + 1)
=
Mathematics
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The region is represented below. Find the area of this region to two decimal places.
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b. 17.89
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d. 15.89
e.15.87
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A. 72 × 105 B. 72 × 10-5 C. 8 × 104 D. 8 × 10-4
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Identify the pattern and find the next three terms.
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Write the percent statement as an expression.
A) 0.0315x
B) 3.25x
C) 0.00325x
D) 0.325x
E) 0.0325x
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