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Solving Trig Equations

Quiz by D'Andre

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16 questions
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  • Q1
    x = π/8 + nπ, 3π/8 + nπ/2
    2sin²2x = 1
    30s
  • Q2
    x = π/9 + nπ/3, 2π/9 + nπ/3
    tan²3x = 3
    30s
  • Q3
    x = πn/3, π/4 + πn
    tan3x(tanx - 1) = 0
    30s
  • Q4
    x = 2π/3 + 2nπ, 4π/3 + 2nπ
    cos2x(2cosx + 1) = 0
    30s
  • Q5
    x = 0, π/2, π, 3π/2
    cos³x = cosx
    30s
  • Q6
    x = 0, π
    sec²x - 1 = 0
    30s
  • Q7
    x = 0, π/6, 5π/6, 7π/6, 11π/6
    3tan³x = tanx
    30s
  • Q8
    x = 2π/3, 4π/3, 3π/2, π/2
    2sin²x = 2 + cosx
    30s
  • Q9
    x = π/3, 5π/3, π
    sec²x - secx = 2
    30s
  • Q10
    Undefined, x = π/3, 5π/3
    secxcscx = 2cscx
    30s
  • Q11
    No solution
    2sinx + cscx = 0
    30s
  • Q12
    x = 0, 3π/2
    secx + tanx = 1
    30s
  • Q13
    x = π/3, 5π/3, π
    2cos²x + cosx = 0
    30s
  • Q14
    x = 3π/2, 7π/6, 11π/6
    2sin²x + 3sinx + 1 = 0
    30s
  • Q15
    x = π/6, 5π/6, 7π/6, 11π/6
    2sec²x + tan²x - 3 = 0
    30s

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