Trigonometry of Sums and Differences of Angles HSF.TF.C.9 Grade Practice Test Questions TOC | Lumos Learning

Trigonometry of Sums and Differences of Angles HSF.TF.C.9 Question & Answer Key Resources Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 10 Mathematics

Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 10 Mathematics Trigonometry of Sums and Differences of Angles

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Recall that \(\tan \left(\alpha -\beta \right)=\frac{\tan \alpha -\tan \beta }{1+\tan \alpha \tan \beta }\) . What is the exact value of \(\tan 15{}^\circ ?\)

Resource: Question

Question Type: Multiple Choice - Single Answer

Standard(s):HSF.TF.C.9

Standard Description: Prove the addition and subtraction formulas for sine, cosine, and tangent and use them to solve problems.

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