Trigonometric Ratios Essentials

Front

What is trigonometry?

Back

Trigonometry is the study of relationships between the sides and the angles of the triangle.

Front

Sides of a right triangle

Back

Front

What are trigonometric ratios?

Back

Ratio of the sides of a right triangle with respect to the acute angles

Front

Name the trigonometric ratios

Back

Sine

Cosine

Tangent

Cosecant

Secant

Cotangent

Front

Sine (sin)

Back

Opposite/Hypotenuse

Front

Cosine (cos)

Back

Adjacent/Hypotenuse

Front

Tangent (tan)

Back

Opposite/Adjacent

Front

Cosecant (csc)

Back

1/sin or Hypotenuse/Opposite

Front

Secant (sec)

Back

1/cos or Hypotenuse/Adjacent

Front

Cotangent (cot)

Back

1/tan or Adjacent/Opposite