Math Wize
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Trigonometry

Right-triangle ratios, reciprocal functions, Pythagorean identity, the 30-45-60 triangles, and solving right triangles.

(1,0)θ=45°
Unit circle · (cos θ, sin θ)

Worked Example

Find side opposite 30° (H=20)

Given: Right triangle, angle 30°

  1. 1

    sin30 = O/H

    0.5 = O / 20

Worked Example

Conduit offset multiplier 30°

Given: Rise = 8 in

  1. 1

    csc 30° = 2

    Length = rise × csc θ

Timed Game · 6 problems
02:00

Answer 6 problems in 2 min. Timer auto-stops.