This math skill teaches how to utilize the relationships between sine, cosine, and tangent in trigonometry to form fact families. These relationships allow for calculating unknown sides of a triangle using the ratios of the known sides.
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Fact family for trigonometry identities sine, cosine, tangent
Test your understanding of fact family for trigonometry identities by practicing it! Work through the below exercises to use it in practice.
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Let's explore the fact families for the basic trigonometry relations
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Sine is opposite over hypotenuse, and we can calculate hypotenuse as opposite over sine
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Cosine is adjacent over hypotenuse, and we can calculate adjacent using cosine times hypotenuse
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And tangent is opposite over adjacent, so we have a similar set of calculation options