Trig Identities Test 2 Review

• sin(x)

• cos(x)

• tan(x)

• 1

Simplify: tan(x)/sec(x)

• cot(x)

• cos(x)

• sin(x)

What is the result of cos(x)/(1 - sin(x)) + cos(x)/(1 + sin(x))?

• 2sec(x)

• 2cos(x)

• tan(x)

Which identity is equivalent to (1 + cos(2x))/2?

Solve: sin(x) = 1/2, where 0 ≤ x < 2pi

• pi/4 and 7pi/4

• pi/3 and 5pi/3

• pi/6 and 5pi/6

• 2pi/3 and 4pi/3

Tags

CCSS.HSF.TF.B.7

Tags

CCSS.HSF.TF.B.7

Solve: tan(x) = √3 on 0 ≤ x < 2pi Fill in the blank with the correct values of x.

Tags

CCSS.HSF.TF.B.7

What are the solutions to: 2sin(x)cos(x) = 0? Fill in the blank with the correct values of x.

• x = 0, pi/2, pi, 3pi/2, 2pi

• x = pi/4, 3pi/4, 5pi/4, 7pi/4

• x = pi/6, pi/3, 2pi/3, 5pi/6

• x = pi/2, pi, 2pi, 3pi

Tags

CCSS.HSF.TF.B.7

Tags

CCSS.HSF.TF.B.7

Solve: cos(2x) = 0 for 0 ≤ x < 2pi. Enter all correct values of x.

Tags

CCSS.HSF.TF.B.7