Printable Law of Sines Reference Card
This one-page reference card is for students, tutors, and teachers working with triangle solving. It lists solving cases in a two-column chart with Known and Method. The rows cover AAS and ASA with a note to find the third angle first, then use the law of sines. SSA is listed with law of sines and a check for the ambiguous case. SAS is listed with law of cosines for the third side, then sines or cosines.
Free printable · PDF
- 1 page
- US Letter — choose “Fit to page” for A4
- PDF, 93 KB
Free for personal, family and classroom use.
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Use it as a quick guide before solving a triangle by hand. Read the known parts, match the case, and follow the method shown in the chart. Print it on Letter paper and keep it with your class notes, worksheet set, or calculator practice pages.
Good for
- Quick guide for triangle-solving steps
- Classroom handout for trigonometry review
- Desk reference for calculator practice
Tip: Print on cardstock or laminate for repeated use during homework and test prep.
3 files · PDF, DOCX
Get every sheet: Law of Sines and Cosines Worksheets
This sheet plus 2 more in one download, with the editable Word files. Law of sines and law of cosines practice sheets with worked answers, an ambiguous-case decision chart and a triangle-solving reference card.
$3.00 USD, one-time 3 files · about $1.00 each
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Printable Law of Sines Practice Sheet
Printable Law of Sines Decision ChartOne-page PDF chart for the SSA ambiguous case with Angle A, condition, and triangle count rows for quick law of sines checks.