from Jaden Geller, originally released 30th September, 2011
Master trigonometry with Trig Tester!
Quiz yourself on Sine, Cosine, and Tangent (Secant, Cosecant, and Cotangent). Supports both degrees and radians. Includes four game modes and Game Center leaderboards.
Timed - Complete as many problems as possible in 1...
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discussion by Sidelines.