Trigonometry
Dr. E's trigonometry video library β from the Pythagorean theorem to the laws of sines and cosines, every lesson paired with a free worksheet, taught in English and Filipino π΅π
6units
15lessons
EN Β· FILbilingual π΅π
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for every lesson
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6 Units Β· 15 Lessons
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Unit 1
Right Triangle Trigonometry
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Unit 2
Angles & the Unit Circle
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Unit 3
Graphing Trigonometric Functions
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Unit 4
Trigonometric Identities
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Unit 5
Solving Trigonometric Equations
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Unit 6
Oblique Triangles
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All Trigonometry Worksheets42 free PDFs
Every Trigonometry worksheet below is free, comes with a full answer key, and is paired with a video lesson in English and Filipino. Click any title to view, practice, and download the printable PDF.
Angle Measurement
Right Triangles
SOHCAHTOA
- Solving Right Triangles (SOHCAHTOA)Lesson 1.5
- Word Problems β SOHCAHTOALesson 1.6
- Solving Missing Sides Using SOHCAHTOALesson 1.8
- Solving Right Triangles (SOHCAHTOA) β Set BSet B
- Solving Right Triangles (SOHCAHTOA) β Set CSet C
- Solving Right Triangles (SOHCAHTOA) β Set DSet D
- Word Problems β SOHCAHTOA β Set BSet B
- Word Problems β SOHCAHTOA β Set CSet C
- Word Problems β SOHCAHTOA β Set DSet D
- Word Problems β SOHCAHTOA β Set ESet E
Graphing
Trig Identities
Trig Equations
Law of Sines
Law of Cosines
Complex Numbers
- Trigonometric Form of a Complex NumberLesson 4.1
- Absolute Value of Complex NumbersLesson 4.2
- Complex Numbers in Trig Form β OperationsLesson 4.3
- De Moivreβs TheoremLesson 4.4
- Complex Numbers in Trig Form β Operations β Set BSet B
- De Moivreβs Theorem β Powers of Complex Numbers β Set BSet B