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Mathematics 4 ESO – Unit 9 TRIGONOMETRY page 93 activity 6

Watch the video on “Basic Trigonometry: Sin Cos Tan” and answer:

  • a) What type of triangle is it?
  • b) How do we note the right angle of the right triangle?
  • c) Which angle of the triangle can’t be θ (or α)?
  • d) What are the names of the two sides that form the angle (θ or α)?
  • e) How do we find the value of the sine of the angle?
  • f) How do we find the value of the cosine of the angle?
  • g) How do we find the value of the tangent of the angle?
  • h) What is the meaning of “SOH CAH TOA”?