Use various trigonometric identities to simplify the expression then integrate.
d?
A. 
cos 4? + C
B. 
cos 5? - 
cos 9? + C
C. 
cos 9? + C
D. 
cos 5? - 
cos 9? + C
Answer: B
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The fraction F of the surface of Earth that is visible from an altitude of h kilometers above the surface is given by
.
A. Make a graph of F versus h. Include altitudes up to 100,000 kilometers.B. What fraction of Earth's surface is visible from 1220.00 kilometers above Earth's surface? Report your answer both as a decimal (rounded to two places) and as a percentage of Earth's surface.C. Use your graph to determine the largest fraction of Earth's surface that is visible no matter what the altitude.
What will be an ideal response?
Approximate the value using a calculator. Express answer rounded to three decimal places.e-0.8
A. -2.175 B. -0.449 C. 0.749 D. 0.449
Determine whether the statement is true or false.A triangle is also a quadrilateral.
A. True B. False
Write the statement as an equivalent statement that does not use the if . . . then connective. Remember that p ? q is equivalent to ~p ? q.If Jane does not want to go, then she stays home.
A. Jane does not want to go and she stays home. B. Jane does not want to go and she does not stay home. C. Jane wants to go or she stays home. D. Jane wants to go or she does not stay home.