4 free trigonometry resources for 9th Grade: 3 worksheets, 1 study guide. Answers included.
Sine, cosine, tangent and solving triangles. 9th grade students solve more complex equations, work with linear graphs, meet Pythagoras' theorem and trigonometry, and expand binomials.
Students will practice: understanding how to label the hypotenuse, opposite and adjacent sides relative to an angle; choosing the correct trigonometric ratio from the sides involved; finding an unknown side length in a right triangle; finding an unknown angle using inverse sine, cosine and tangent; labeling sides relative to an angle; choosing the correct trigonometric ratio; finding unknown sides.
Printable practice with an answer sheet.
Use sine, cosine and tangent to find unknown sides in right triangles. Builds confidence with the core skill before adding complexity.…
Use sine, cosine and tangent to find unknown sides in right triangles. Expected-level practice for this grade. This 9th Grade worksheet…
Use sine, cosine and tangent to find unknown sides in right triangles. A challenge set for students ready to stretch further. This 9th…
Formulas and rules at a glance.
A compact reference for right triangle trigonometry in 9th grade: labeling the opposite, adjacent and hypotenuse, choosing sine, cosine or…
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Sine, cosine, tangent and solving triangles. At 9th Grade, our resources focus on: understanding how to label the hypotenuse, opposite and adjacent sides relative to an angle; choosing the correct trigonometric ratio from the sides involved; finding an unknown side length in a right triangle; finding an unknown angle using inverse sine, cosine and tangent.
Read the study guide first, then start with the Level 1 or Level 2 worksheet. Finish with the topic test.
Yes — every worksheet has an answer sheet. Maths answer sheets show the working; English tasks include model answers or success criteria.
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