Resources For Teachers For Tutors For Students & Parents Pricing
Create Free Account
USA - Geometry Right triangles and trigonometry

Trigonometric ratios (sin, cos, tan) for acute angles

20 practice questions 0 video lessons Theory + worked examples

Practice Questions

20 questions available.

Practice Questions
More in Right triangles and trigonometry
Pythagorean theorem (proof from similarity)
20 questions
Sine and cosine of complementary angles
20 questions
Solving right triangles (mixed contexts)
20 questions
Special right triangles (30-60-90, 45-45-90) and Pythagorean triples
20 questions
Law of Sines
20 questions
Law of Cosines
20 questions
Area of a triangle: A = ½ ab sin C
20 questions