Simple categories matching trigonometric:

• relationship,
• function,
• transformation,
• formula,

Members with property trigonometric:

• sine,
• secant,
• sine-wave_transformation,
• arccos_function,
• cosine,
• cosec,
• sine_function,
• cos,
• tangent,
• sin,
• tan,
• arctan,
• arctangent,
• tangent_function,
• cosine_function,
• arcsin,
• cosine_cos,
• tangent_relationship,
• cosine_rule,
• arcsine,
• cotangent,
• arccos,
• hyperbolic_tangent,