Yefim S. answered • 02/26/21
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2x = π - π/6 + 2πn or 2x = π + π/6 + 2πn
x = 5π/12 + πn or x = 7π/12 + πn, n = 0, ±1, ±2, ...
Emma S.
asked • 02/26/21Precalculus question
Solve the equation. Find ALL solutions.
cos 2x = -√3/2
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