K12worX
K-8 Math/ACT Math
Geometry(act-geo)

Trigonometry

10 topics available

topics

Trigonometric ratios (SOH-CAH-TOA)

Reciprocal trig functions (csc, sec, cot)

Task-setsSlides

Solving right triangles with trig ratios

Law of Sines

Task-setsSlides

Law of Cosines

Task-setsSlides

Degree-radian conversion

Unit circle values (key angles)

Graphs of sin, cos, tan (amplitude, period, phase shift)

Task-setsSlides

Pythagorean identity and basic trig identities

Task-setsSlides

Double-angle and sum/difference formulas (basic awareness)