Free Trial
Buy Now
Login
Courses
Test Prep
Standards
Language Arts
Kindergarten
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th Grade
7th Grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Math
Kindergarten
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th Grade
7th Grade
8th Grade
Science
Kindergarten
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th Grade
7th Grade
8th Grade
Social Studies
Kindergarten
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th Grade
7th Grade
8th Grade
10th Grade
11th Grade
12th Grade
Algebra I
Algebra II
Biology
Chemistry
Earth Science
Geometry
Physics
Statistics
Trigonometry
Environmental Science
Schools
Schools and Districts
ELL (English Language Learners)
Special Education
After School
Test Prep
Independent Study
Home Learning
How to Use eTAP at Home
Home Learning Resources
The Advantages of Home Learning
Homeschool Laws by State
Success Stories
Info
About
eTAP Staff and Writers
Research Related to eTAP
FAQ
User Guides
Reading Tools
Our Partners
Contact eTAP
Advanced Search
Grade:
K
K-3
1
2
3
4
5
6
7
8
9
10
11
12
Reader Bar Color:
Gray
Goldenrod
Steel Blue
Green
Pink
Turquoise
Peach
Purple
Yellow
Aqua
User Guides
Reading Tools
Grade:
K
K-3
1
2
3
4
5
6
7
8
9
10
11
12
Physics
Language Arts
Social Studies
Statistics
Trigonometry
Environmental Science
Trigonometry
Angles and Triangles
Unit Preview
,
Measuring Angles
,
Areas of Triangles
Sine and Cosine Functions - Part I
Unit Preview
,
Definitions - Sine and Cosine
,
Identities
,
Addition Formulas
Sine and Cosine Functions - Part II
Unit Preview
,
Half-Angle and Double Angle Formulas
,
Law of Sines
,
Law of Cosines
Other Trigonometric Functions
Unit Preview
,
Graphing Trigonometric Functions
,
Tangent and Cotangent Functions
,
Secant and Cosecant Functions
Inverse of Trigonometric Functions and Slope of a Line
Unit Preview
,
Definitions (Inverse Trigonomic Functions)
,
Computing Values
,
Slope of a Line
Polar Coordinates and Complex Numbers
Unit Preview
,
Polar Coordinates
,
Graphing Equations
,
Complex Numbers
Trigonometric Calculations
Unit Preview
,
De Moivre’s Theorem
,
Trigonometric Calculations
,
Finding Unknown Sides and Angles