2 years ago

B. If the bus continued on from Madison and then traveled to LaCrosse for a total distance of 217 miles,

Mathematics

1 answer:

igomit [66]2 years ago

8 0

The disnatcw would be 540

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3 years ago

If cos x=8/17, and 270° < x < 360°<br> what is cos(2x)?

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→ sin x = $-\dfrac{15}{17}$

Use the double angle formula to find cos (2x):

$cos (2x) = cos^2 x - sin^2 x\\\\.\qquad=\bigg(\dfrac{8}{17}\bigg)^2-\bigg(-\dfrac{15}{17}\bigg)^2\\\\\\.\qquad=\dfrac{64}{289}-\dfrac{225}{289}\\\\\\.\qquad=-\dfrac{161}{289}$

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3 years ago

Read 2 more answers