lesson
Finding Missing Angles Using Inverse Trigonometric Ratios
Use inverse sine, cosine, and tangent functions to find unknown acute angle measures in right triangles.
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Trigonometric Ratios in Right Triangles
7 lessons
Goal
Define sine, cosine, and tangent ratios and use them to find unknown sides and angles in right triangles.
7 lessons
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- Introduction to Trigonometric Ratios: Sine, Cosine, and TangentUp next
- Calculating Trigonometric Ratios in Right TrianglesNot started yet
- Finding Missing Sides Using the Sine RatioNot started yet
- Finding Missing Sides Using the Cosine RatioNot started yet
- Finding Missing Sides Using the Tangent RatioNot started yet
- Finding Missing Angles Using Inverse Trigonometric RatiosYou are here
- Solving Right Triangles: Finding All Sides and AnglesNot started yet
Learning standards covered
111.41(b)(9)(A)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Gradedetermine the lengths of sides and measures of angles in a right triangle by applying the trigonometric ratios sine, cosine, and tangent to solve problems; and
Open Global Standard:OGM.11.TRG.1
111.41(b)(1)(B)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Gradeuse a problem-solving model that incorporates analyzing given information, formulating a plan or strategy, determining a solution, justifying the solution, and evaluating the problem-solving process and the reasonableness of the solution;
Open Global Standard:OGM.11.GEO.1
OGM.11.TRG.1OGM.11.GEO.1