Review Quiz 8.0-8.3

Make each of the following statements true by replacing the missing value: sin²(130°) + cos²(?) = 1

• 130°

• 50°

• 40°

• 90°

Tags

CCSS.HSG.SRT.C.7

Make each of the following statements true by replacing the missing value: cos(?) = sin 15°

• 75°

• 45°

• 30°

• 60°

Tags

CCSS.HSG.SRT.C.7

Make each of the following statements true by replacing the missing value: csc 47° = 1/?

• sin 47°

• cos 47°

• tan 47°

• cot 47°

Tags

CCSS.HSG.SRT.C.7

Decide whether the following statement is true or false: sin 20° = sin 200°

• True

• False

Tags

CCSS.HSG.SRT.C.7

Decide whether the following statement is true or false: tan 35° = tan 225°

• True

• False

Tags

CCSS.HSG.SRT.C.7

Given that sin 25° = .423 and cos 25° = .906, find sin 205°

• -.423

• .423

• -.906

• .906

Tags

CCSS.HSF.TF.C.9

Given that sin 25° = .423 and cos 25° = .906, find cos²(25°) + sin²(25°)

• 1

• 0

• .5

• 2

Tags

CCSS.HSF.TF.C.8

Given that sin 25° = .423 and cos 25° = .906, find sin 155°

• .906

• .423

• -.423

• -.906

Tags

CCSS.HSF.TF.C.9

Suppose an angle θ is unknown, but it is between 195° and 265°. Determine whether sin θ is positive or negative.

• Positive

• Negative

Tags

CCSS.HSF.TF.A.2

Suppose an angle θ is unknown, but it is between 195° and 265°. Determine whether csc θ is positive or negative.

• Positive

• Negative

Tags

CCSS.HSF.TF.A.2