Front

Solve [0,2π] 4cos²x - 7cosx - 2 = 0

Back

1.82, 4.46

Tags

CCSS.HSF.TF.B.7

Front

Which of the following is the solution of sin²x + cos²x = 2?

Back

no solution

Tags

CCSS.HSF.TF.C.8

Front

Solve on the domain [0,2π) cos x + 1 = 0

Back

π

Tags

CCSS.HSF.TF.B.7

Front

Which of the following is NOT a solution to tan θ = 0?

Back

θ = π /2

Tags

CCSS.HSF.TF.B.7

Front

Solve for 0≤x≤2π 3sin²x + sinx - 4 = 0

Back

π/2

Tags

CCSS.HSF.TF.B.7

Front

What is the Pythagorean identity for sine and cosine?

Back

sin²x + cos²x = 1

Tags

CCSS.HSF.TF.C.8

Front

What is the range of the sine function?

Back

[-1, 1]

Tags

CCSS.HSF.TF.A.4

Front

What is the range of the cosine function?

Back

[-1, 1]

Tags

CCSS.HSF.TF.A.4

Front

What is the period of the sine function?

Back

2π

Tags

CCSS.HSF.TF.A.4

Front

What is the period of the cosine function?

Back

2π

Tags

CCSS.HSF.TF.A.4