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Mathematics, 24.08.2020 01:01 asapjvzz8786

If cos 330/2 = sqrt(3)/2 then
Prove that:
cos 165° = - sqrt(3) - 1 / 2sqrt(2)

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Answers: 1

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If cos 330/2 = sqrt(3)/2 then
Prove that:
cos 165° = - sqrt(3) - 1 / 2sqrt(2)...
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