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Solving Right Triangles

Terms and Formulae

Solving Right Triangles

Right Triangle Review

Adjacent Side  -  The leg of a right triangle that is not opposite a given angle.
Angle of Depression  -  The positive acute angle formed by a horizontal surface and a vector extending below it.
Angle of Elevation  -  The positive acute angle formed by a horizontal surface and a vector extending above it.
Hypotenuse  -  The side of a right triangle opposite the right angle.
Opposite Side  -  The side of a right triangle opposite a given angle.

Formulas

 
Cosecant Let A be an acute angle in Triangle ABC; csc(A) =
 
Cosine Let A be an acute angle in Triangle ABC; cos(A) =
 
Cotangent Let A be an acute angle in Triangle ABC; cot(A) =
 
Secant Let A be an acute angle in Triangle ABC; sec(A) =
 
Sine Let A be an acute angle in Triangle ABC; sin(A) =
 
Tangent Let A be an acute angle in Triangle ABC; tan(A) =

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