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Understanding Right Triangles and Trigonometric Functions

Explore the concept of right triangles, sine, cosine, and tangent functions. Learn how to solve problems using trigonometric ratios. Find value of X using sine, cosine, and tangent functions with step-by-step solutions. References and resources provided.

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Understanding Right Triangles and Trigonometric Functions

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  1. The Right Triangle Nicolaas Lems

  2. Contents What is a Right Triangle? Cosine Sine Tangent References State Core Title Page

  3. Sine Sine(a)=Opposite/Hypotenuse Hypotenuse Opposite a Adjacent Click Here contents Problem using Sine

  4. Cosine Cosine(a)=Adjacent/Hypotenuse Hypotenuse Opposite a Adjacent Click Here Problem using Cosine contents

  5. Tangent Tangent(a)=Opposite/Adjacent Hypotenuse Opposite a Adjacent Click Here contents Problem using Tangent

  6. What is a Right Triangle? A right triangle is a triangle with one of it’s three angles measuring to be 90º Click Here contents More on the right triangle

  7. Find the Value of X using the Sine 10 X need help 32° contents answer previous

  8. Find the value of X using the Cosine X need help 70º 12.5 contents previous answer

  9. Find the value of X using the Tangent 20 need help 50° X contents previous answer

  10. Answer Sin(32º)=X/10 10 X X=sin (32º)*10 X=5.3 32° contents Click to see answer

  11. Answer Cos(70º)=12.5/X X X= 12.5/Cos(70º) X=36.5 70º 12.5 contents Click to see answer

  12. Answer Tan(50º)=20/X 20 X=20/ Tan(50º) X=23.8 50° X contents Click to see answer

  13. References Math World http://mathworld.wolfram.com/RightTriangle.html Webmath.com http://www.webmath.com/rtri.html contents

  14. State Core Standard 2 Students will represent and analyze mathematical situations and properties using patterns, relations, functions, and algebraic symbols. Objective 2.1 Use patterns, relations, and functions to represent mathematical situations. Identify trigonometric relationships (sine, cosine, and tangent) using right triangles, expressing the relationships as fractions or decimals. contents

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