Interactive
Curated OER

Fictional Story to Remember SOHCAHTOA

For Students 11th - Higher Ed
In this SOHCAHTOA worksheet, students are presented with a fictional newspaper story to help students remember the mnemonic devise. 
Handout
Math Is Fun

Math Is Fun: Sohcahtoa: Sine, Cosine, Tangent

For Students 9th - 10th Standards
Students learn about the relationships between sine, consine, and tangent. The tutorial consists of notes, examples, and practice problems to check for comprehension.
Unit Plan
Math Is Fun

Math Is Fun: Sine, Cosine, Tangent

For Students 9th - 10th
Students learn about the sine, cosine, and tangent functions. The tutorial consists of notes, examples, and practice problems to check for comprehension.
Activity
Lawrence Hall of Science

The Math Page: Trigonometry: Trig Functions of an Acute Angle

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the trigonometric functions of acute angles within a right triangle. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point...
Activity
Lawrence Hall of Science

The Math Page: Trigonometry: Trignometry of Right Triangles

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the trigonometry of a right triangle, including finding the values of all six trig functions given a single value. There are example problems solved, problems for the student to...
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 7.2 Sine and Cosine Ratios

For Students 9th - 10th Standards
Discover sine and cosine ratios in trigonometric ratios.