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Geometry · Chapter 8 · Lesson 8.5 · Printable PDF

Sine, Cosine and Tangent Worksheet with Answer Key

7 problems on sine, cosine and tangent: matching ratios to angles, a drone flight path, sides from a cosine and perimeter, a kite, and relations between the ratios. 2 pages, with a worked answer key.

7 problems2 pagesanswer key
Printable Sine, cosine and tangent worksheet with answer key - Geometry (Page 1 PDF preview)
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What's on the worksheet

  1. Name every ratio of sides that equals sine, cosine or tangent of angle R or T.
    \dfrac{RS}{RT}\dfrac{ST}{RT}\dfrac{ST}{RS}\dfrac{RS}{ST}
  2. Find sine, cosine and tangent of the angle of a drone's flight path.
  3. Find the sides of a right triangle from a cosine and the perimeter.
  4. Find the ratios for an angle in a kite using perpendicular diagonals.
  5. Find tangent, sine and cosine when sin A is three times sin B.
  6. Find sine, cosine and tangent from the sum of sine and cosine.
  7. Explain why the tangent of an acute angle is greater than its sine.

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Sine, cosine and tangent: the lesson ›

More Chapter 8 worksheets: Right triangles and trigonometry