Study Guide
Trigonometric Functions, Radians and Exact Values
A senior study guide to radian measure, the exact-value table, the unit circle (ASTC) and the basic trigonometric graphs. Worked examples…
- Difficulty
- Level 3 · Challenge
- Time
- 30 min
Extra practice for 11th Grade Trigonometry (Finding Sides) Worksheet — Level 1: the same skill with fresh questions.
Worksheet11th GradeLevel 1 · Easier
Free 11th Grade Trigonometry (Finding Sides) Worksheet — Level 1 — Practice Set 4
Practice Set 4 for 11th Grade Trigonometry (Finding Sides) Worksheet — Level 1: the same skill and level with a fresh set of questions and a full answer sheet.
More practice: Set 1 · Practice Set 2 · Practice Set 3 — same skill, fresh questions, full answers.
Instant download · No sign-up · Free for personal, classroom and homeschool use
- Grade
- 11th Grade
- Subject
- Math
- Topic
- Trigonometry
- Difficulty
- Level 1 · Easier
- Estimated time
- 20 minutes
- Curriculum
- Texas grade levels (TEKS)
- Questions
- 8
- Answers
- Included, with working
- Format
- PDF (A4), print or complete online
Students will practice
- labeling sides relative to an angle
- choosing the correct trigonometric ratio
- finding unknown sides
Curriculum: Texas grade levels (TEKS). We show specific outcome codes only where they have been verified against the official curriculum document.
What's next?
Completed: 11th Grade Trigonometry (Finding Sides) Worksheet — Level 1 — Practice Set 4
How to use this worksheet
- Print the PDF or complete it on screen. Write the student's name and date at the top.
- Read the instructions for each part together before starting. Encourage working to be shown, not just answers.
- Mark with the answer sheet. Compare the method, not only the final answer, and give credit for correct working.
- Record the score, celebrate what went well, then follow the "What's next" suggestion.
Common questions
Who is this worksheet for?
11th Grade students (typically ages 16–17) working on trigonometry. It is pitched at level 1 · easier; a harder version is linked above.
Are the answers included?
Yes. The PDF includes a full answer sheet with the working for every question. You can also view the answers online.
How long does it take?
About 20 minutes for 8 questions. Short, regular sessions work best: two or three a week beats one long one.
Do I need to sign up to download?
No. Click Download Free PDF and it opens immediately. It is free for personal, classroom and homeschool use.
What should we do next?
Try 11th Grade Trigonometry (Finding Sides) Worksheet — Level 2.
Preview
Success TutoringWorksheets11th Grade · Mathematics · Trigonometry11th Grade Trigonometry (Finding Sides) Worksheet — Level 1 — Practice Set 4
Name
Date
Score /
Label the sides (opposite, adjacent, hypotenuse), choose the ratio (SOH CAH TOA), then solve.
1.In a right triangle, the hypotenuse is 20 cm and one angle is 26°. Find the side opposite the 26° angle, to 1 decimal place.
2.In a right triangle, the hypotenuse is 24 cm and one angle is 68°. Find the side opposite the 68° angle, to 1 decimal place.
3.In a right triangle, the hypotenuse is 21 cm and one angle is 69°. Find the side opposite the 69° angle, to 1 decimal place.
4.In a right triangle, the hypotenuse is 10 cm and one angle is 43°. Find the side opposite the 43° angle, to 1 decimal place.
5.In a right triangle, the hypotenuse is 22 cm and one angle is 54°. Find the side opposite the 54° angle, to 1 decimal place.
6.In a right triangle, the hypotenuse is 15 cm and one angle is 40°. Find the side opposite the 40° angle, to 1 decimal place.
7.In a right triangle, the hypotenuse is 24 cm and one angle is 20°. Find the side opposite the 20° angle, to 1 decimal place.
8.In a right triangle, the hypotenuse is 14 cm and one angle is 41°. Find the side opposite the 41° angle, to 1 decimal place.
Preview — the PDF contains the full resource and answer sheet.
More 11th Grade trigonometry resources
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11th Grade Trigonometry (Finding Sides) Worksheet — Level 1
Use sine, cosine and tangent to find unknown sides in right triangles. Builds confidence with the core skill before adding complexity.…
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Use sine, cosine and tangent to find unknown sides in right triangles. Expected-level practice for this grade. This 11th Grade worksheet…
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- Time
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11th Grade Trigonometry (Finding Sides) Worksheet — Level 3
Use sine, cosine and tangent to find unknown sides in right triangles. A challenge set for students ready to stretch further. This 11th…
- Difficulty
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- Time
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- Questions
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- Answers
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Trigonometry in other year levels
- 10th Grade Trigonometry (Finding Sides) Worksheet — Level 1
Worksheet · 10th Grade · Trigonometry · Level 1 · Easier
- 10th Grade Trigonometry (Finding Sides) Worksheet — Level 2
Worksheet · 10th Grade · Trigonometry · Level 2 · Standard
- 9th Grade Trigonometry (Finding Sides) Worksheet — Level 1
Worksheet · 9th Grade · Trigonometry · Level 1 · Easier
- 9th Grade Trigonometry (Finding Sides) Worksheet — Level 2
Worksheet · 9th Grade · Trigonometry · Level 2 · Standard
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About this resource
- Created by
- Success Tutoring Maths Team
- Reviewed by
- Success Tutoring
- Last reviewed
- 1 October 2026
- How it was made
- Generated by checked procedures
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