Simplifying Trig Expressions

Simplifying Trig Expressions

Assessment

Flashcard

Mathematics

11th - 12th Grade

Practice Problem

Hard

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

Standards-aligned

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Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Pythagorean identity for sine and cosine?

Back

sin²x + cos²x = 1

Tags

CCSS.HSF.TF.C.8

2.

FLASHCARD QUESTION

Front

What is the definition of tangent in terms of sine and cosine?

Back

tanx = sinx / cosx

Tags

CCSS.HSF.TF.A.2

3.

FLASHCARD QUESTION

Front

What is the relationship between secant and cosine?

Back

secx = 1 / cosx

Tags

CCSS.HSF.TF.A.2

4.

FLASHCARD QUESTION

Front

What is the relationship between cosecant and sine?

Back

cscx = 1 / sinx

Tags

CCSS.HSF.TF.C.8

5.

FLASHCARD QUESTION

Front

What is the definition of cotangent in terms of sine and cosine?

Back

cotx = cosx / sinx

Tags

CCSS.HSF.TF.A.2

6.

FLASHCARD QUESTION

Front

What is the double angle formula for sine?

Back

sin(2x) = 2sinx cosx

Tags

CCSS.HSF.TF.C.9

7.

FLASHCARD QUESTION

Front

What is the double angle formula for cosine?

Back

cos(2x) = cos²x - sin²x

Tags

CCSS.HSF.TF.C.9

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