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Trigonometric ratios review

Review all six trigonometric ratios: sine, cosine, tangent, cotangent, secant, & cosecant.

What are the trigonometric ratios?

sin(A)=oppositehypotenuse
cos(A)=adjacenthypotenuse
tan(A)=oppositeadjacent
cot(A)=adjacentopposite
sec(A)=hypotenuseadjacent
csc(A)=hypotenuseopposite
Want to learn more about sine, cosine, and tangent? Check out this video.
Want to learn more about cotangent, secant, and cosecant? Check out this article.

Practice set 1: sine, cosine, and tangent

Problem 1.1
sin(B)=
  • Your answer should be
  • a proper fraction, like 1/2 or 6/10
  • a simplified proper fraction, like 3/5
  • an improper fraction, like 10/7 or 14/8
  • a simplified improper fraction, like 7/4
Use an exact expression.

Want to try more problems like this? Check out this exercise.

Practice set 2: cotangent, secant, and cosecant

Problem 2.1
cot(B)=
  • Your answer should be
  • a proper fraction, like 1/2 or 6/10
  • an improper fraction, like 10/7 or 14/8
Use an exact expression.

Want to try more problems like this? Check out this exercise.