KBourque9984 KBourque9984

23-10-2020
Mathematics

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Suppose Sine (x) = four-fifths and cos(x) < 0. What is the value of cos(2x)?

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xxbobdabearxx xxbobdabearxx

30-10-2020

Answer:

B

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TheoFromWiiSports TheoFromWiiSports

04-11-2020

Answer:

B. -7/25

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