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Trigonometry Terminology: Definitions & Basics for Triangles

Understand key terms like hypotenuse, opposite side, adjacent side, and more in trigonometry for solving triangle problems. Learn the definitions and concepts easily.

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Trigonometry Terminology: Definitions & Basics for Triangles

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  1. hypotenuse opposite side angle adjacent side Trigonometry Terminology Definitions sine cosine & tangent Exit

  2. Triangle terminology Opposite side Adjacent side Hypotenuse Contents Terminology Definitions Exit

  3. Opposite side: the side opposite the angle angle opposite opposite opposite angle angle angle opposite Opposite side Adjacent side Hypotenuse Contents Terminology Definitions Exit

  4. Adjacent side: the side beside the angle adjacent angle adjacent angle angle adjacent adjacent angle Opposite side Adjacent side Hypotenuse Contents Terminology Definitions Exit

  5. Hypotenuse: the longest side hypotenuse hypotenuse hypotenuse hypotenuse Opposite side Adjacent side Hypotenuse Contents Terminology Definitions Exit

  6. Definitions B c a A 90o C b Tangent Sine Cosine Contents Terminology Definitions Exit

  7. Tangent of angle A opposite adjacent a b B tan(A) = = c a tan(B) A 90o C b clear Sine Cosine Contents Terminology Definitions Exit

  8. Tangent of angle B opposite adjacent b a B tan(B) = = c a tan(A) A 90o C b clear Sine Cosine Contents Terminology Definitions Exit

  9. Sine of angle A opposite hypotenuse a c B sin(A) = = c a sin(B) A 90o C b Tangent Clear Cosine Contents Terminology Definitions Exit

  10. Sine of angle B opposite hypotenuse b c B sin(B) = = c a sin(A) A 90o C b Tangent Clear Cosine Contents Terminology Definitions Exit

  11. Cosine of angle A adjacent hypotenuse b c B cos(A) = = c a cos(B) A 90o C b Tangent Sine Clear Contents Terminology Definitions Exit

  12. Cosine of angle B adjacent hypotenuse a c B cos(B) = = c a cos(A) A 90o C b Tangent Sine Clear Contents Terminology Definitions Exit

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