Special Triangles and Special Angles HSF.TF.A.3 Grade 11 SBAC Practice Test Questions TOC | Lumos Learning

Special Triangles and Special Angles HSF.TF.A.3 Question & Answer Key Resources Lumos StepUp - SBAC Online Practice and Assessments - Grade 11 Mathematics

Lumos StepUp - SBAC Online Practice and Assessments - Grade 11 Mathematics Special Triangles and Special Angles

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Johnny believes that sin \(\frac{4\pi }{3}\) is \(\sqrt{3}\). Is he correct in his thinking? Explain why or why not.

Resource: Question

Question Type: Extended Constructed Response

Standard(s):HSF.TF.A.3

Standard Description: Use special triangles to determine geometrically the values of sine, cosine, tangent for π/3, π/4 and π/6, and use the unit circle to express the values of sine, cosine, and tangent for x, π + x, and 2π - x in terms of their values for x, where x is any real number.

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