# Trig Functions

The main trigonometric functions: sine, cosine, and tangent, have reciprocal functions and operate on different combinations of angles. This game teaches the student not only the reciprocal functions for the main three trig functions, but also helps the student to learn the various double, half, sum, and difference of given angles.

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Trigonometric Identities Matching

Trigonometric identities of sine, cosine, and tangent are matched with each other.

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c | Reciprocal Function | Double Angle Formula (2A) | Half Angle Formula (A/2) | Sum of Angles Formula (A+B) | Formula for the Difference of angles (A-B) | Formula for the Difference of Angles (A-B) |
---|---|---|---|---|---|---|

Sine (sin) | Cosecant (csc) | Formula 10 | ||||

Cosine (cos) | Secant (sec) | Forrmula 11 | ||||

Tangent (tan) | Cotangent (cot) | Formula 12 |