Mathematics, 06.07.2021 01:30 megkate
Use the first five terms of the trigonometric series to approximate the value of cos 4pi/7 to four decimal places. Then compare the approximation to the actual value.
a. –0.9609, –0.9659
b. –0.2224, –0.2225
c. –0.9649, –0.9659
d. –0.9568, –0.9659
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Use the first five terms of the trigonometric series to approximate the value of cos 4pi/7 to four d...
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