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Class 11

Trigonometric Functions, Course Quiz

Ten questions across the whole Trigonometric Functions course. Pick one answer for each.

10 questions, one mark each. 6 to pass. Suggested time: 20 minutes. Your answers are not recorded.

  1. About how many degrees is 11 radian?
  2. Convert 210∘210^\circ to radians.
  3. In which quadrant does xx lie if cos⁡x<0\cos x < 0 and tan⁡x>0\tan x > 0?
  4. A wheel makes 120120 turns a minute. Through how many radians does it turn in one second?
  5. Which is equal to cos⁡(π+x)\cos(\pi + x)?
  6. Evaluate sin⁡600∘\sin 600^\circ.
  7. Find cos⁡15∘\cos 15^\circ exactly.
  8. tan⁡x=12\displaystyle \tan x = \tfrac{1}{2}. Find tan⁡2x\tan 2x.
  9. Which expression equals cos⁡3x\cos 3x?
  10. Write cos⁡7x+cos⁡3x\cos 7x + \cos 3x as a product.
Unanswered questions are marked wrong.

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