M3H - LT 11 Trig Expressions

Front

What is the definition of secant (secθ)?

Back

Secant is the reciprocal of cosine: secθ = 1/cosθ.

Front

What is the Pythagorean identity involving sine and cosine?

Back

sin²θ + cos²θ = 1.

Front

What is the relationship between tangent and cotangent?

Back

tanθ = 1/cotθ and cotθ = 1/tanθ.

Front

Simplify: sin²x + cos²x

Back

1 (Pythagorean identity).

Front

What is the definition of cosecant (cscθ)?

Back

Cosecant is the reciprocal of sine: cscθ = 1/sinθ.

Front

Simplify: tan(x) * csc(x)

Back

sec(x).

Front

What is the definition of cotangent (cotθ)?

Back

Cotangent is the reciprocal of tangent: cotθ = 1/tanθ.

Front

Simplify: tan(x) * cot(x)

Back

1.

Front

What is the definition of sine (sinθ)?

Back

Sine is the ratio of the opposite side to the hypotenuse in a right triangle: sinθ = opposite/hypotenuse.

Front

What is the definition of cosine (cosθ)?

Back

Cosine is the ratio of the adjacent side to the hypotenuse in a right triangle: cosθ = adjacent/hypotenuse.