Mathematics, 06.10.2019 10:00 cammie5292

If cosx cos(pi/7) + sinx sin(pi/7) = -(sqrt(2))/2, then x can (check all that apply) (will give medal & fan! ) a. pi/4 + pi/7 + 2npi b. 5pi/4 + pi/7 + 2npi c. 7pi/4 + pi/7 + 2npi d. 3pi/4 + pi/7 + 2npi

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If cosx cos(pi/7) + sinx sin(pi/7) = -(sqrt(2))/2, then x can (check all that apply) (will give med...

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