What is the relationship between cotangent and tangent?

Cotangent is the reciprocal of tangent: $$\text{cot} \theta = \frac{1}{\text{tan} \theta}$$ .

What is the definition of cotangent (cot)?

The cotangent of an angle θ is defined as the ratio of the cosine to the sine of θ: $$\text{cot} \theta = \frac{\text{cos} \theta}{\text{sin} \theta}$$ .

What is csc(x) equivalent to?

$$\text{csc}(x) = \frac{1}{\text{sin}(x)}$$ .

What is the relationship between secant and cosine?

Secant is the reciprocal of cosine: $$\text{sec} \theta = \frac{1}{\text{cos} \theta}$$ .

What is the relationship between cosecant and sine?

Cosecant is the reciprocal of sine: $$\text{csc} \theta = \frac{1}{\text{sin} \theta}$$ .

What is the double angle formula for sine?

The double angle formula for sine is: $$\text{sin}(2\theta) = 2\text{sin}(\theta)\text{cos}(\theta)$$ .

What is the double angle formula for cosine?

The double angle formula for cosine is: $$\text{cos}(2\theta) = \text{cos}^2(\theta) - \text{sin}^2(\theta)$$ .

Basic Trig Identities

Flashcard

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Mathematics

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12th Grade

•

Practice Problem

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Easy

•

CCSS

HSF.TF.A.2, HSF.TF.C.9, HSF.TF.C.8

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FLASHCARD QUESTION

Front

What is the definition of secant (sec)?

Back

Tags

CCSS.HSF.TF.A.2

FLASHCARD QUESTION

Front

What is the definition of cosecant (csc)?

Back

Tags

CCSS.HSF.TF.A.2

FLASHCARD QUESTION

Front

What is the definition of tangent (tan)?

Back

Tags

CCSS.HSF.TF.A.2

FLASHCARD QUESTION

Front

What is the Pythagorean identity involving sine and cosine?

Back

Tags

CCSS.HSF.TF.C.8

FLASHCARD QUESTION

Front

Back

FLASHCARD QUESTION

Front

Rewrite tan(x) in terms of sin(x) and cos(x).

Back

FLASHCARD QUESTION

Front

Back

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