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4 years ago

13

Solution to 2cos2x − cos x − 1 = 0

2 answers:

PIT_PIT [208]4 years ago

8 0

{0,<span><span>2π</span>3</span>,<span><span>4π</span>3</span><span>} should be the answer?

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Ratling [72]4 years ago

8 0

0 degrees :) Hope this helps! A for plato

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