Browse Trigonometry

288 questions at your level

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Exact values of trigonometric ratios

24 questions

LessonNot started
The exact value of tan⁡2π3\tan\dfrac{2\pi}{3} is

Circle your answer.
  • A 3\sqrt3
  • B −13-\dfrac{1}{\sqrt3}
  • C −3-\sqrt3
  • D 13\dfrac{1}{\sqrt3}
●●●●●Level 11 markStart
The exact value of cos⁡5π6\cos\dfrac{5\pi}{6} is

Circle your answer.
  • A 32\dfrac{\sqrt{3}}{2}
  • B −32-\dfrac{\sqrt{3}}{2}
  • C −12-\dfrac{1}{2}
  • D 12\dfrac{1}{2}
●●●●●Level 11 markStart

Graphs of sine, cosine and tangent

31 questions

LessonNot started
The period of the curve y=4sin⁡(3x)y = 4\sin(3x), where xx is in radians, is

Circle your answer.
  • A 2π3\dfrac{2\pi}{3}
  • B 2π2\pi
  • C 6π6\pi
  • D 44
●●●●●Level 11 markStart

Radian measure

31 questions

LessonNot started
The exact value of tan⁡2π3\tan\dfrac{2\pi}{3} is

Circle your answer.
  • A 3\sqrt3
  • B −13-\dfrac{1}{\sqrt3}
  • C −3-\sqrt3
  • D 13\dfrac{1}{\sqrt3}
●●●●●Level 11 markStart
The period of the curve y=4sin⁡(3x)y = 4\sin(3x), where xx is in radians, is

Circle your answer.
  • A 2π3\dfrac{2\pi}{3}
  • B 2π2\pi
  • C 6π6\pi
  • D 44
●●●●●Level 11 markStart
The exact value of cos⁡5π6\cos\dfrac{5\pi}{6} is

Circle your answer.
  • A 32\dfrac{\sqrt{3}}{2}
  • B −32-\dfrac{\sqrt{3}}{2}
  • C −12-\dfrac{1}{2}
  • D 12\dfrac{1}{2}
●●●●●Level 11 markStart

Small angle approximations

23 questions

LessonNot started
For small θ\theta (in radians), 1−cos⁡θθ2\dfrac{1 - \cos\theta}{\theta^2} is approximately

Circle your answer.
  • A 00
  • B 12\dfrac{1}{2}
  • C 11
  • D 22
●●●●●Level 11 markStart