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medium2π Trig Equations·20 pts·0 solved

Cosine Equals Root Two Over Two

Problem Statement

textSolveforxtexton[0,2pi):;cos(x)=fracsqrt22\\text{Solve for } x \\text{ on } [0, 2\\pi): \\; \\cos(x) = \\frac{\\sqrt{2}}{2}

Your Answer (variable: x)

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Tips

  • Use standard math syntax: ^ for powers, * for multiplication.
  • Enter the solutions in radians, e.g. pi/6, 5*pi/6 (degrees like 30, 150 also work).
  • Functions: sin, cos, tan, sec; constants: pi, e.