Complements - Sine and Cosine

If sin(β) = ⅝ . What is cos(α)?

• ^⅜

• ⅛

• ⅝

• ⅞

Tags

CCSS.HSF.TF.C.8

Solve for x. cos(2x +9) = sin(x)

• x = 27

• x = -9

• x = 57

• x = 9

Tags

CCSS.HSF.TF.B.7

What are complementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect.

Tags

CCSS.HSG.SRT.C.7

If cos α = sin β, what must be true about α and β?

• α and β are complementary angles
• α and β are congruent angles
• α and β are right angles
• α and β are supplementary angles

Tags

CCSS.HSF.TF.C.8

What is the complement to: cos 40⁰ = ?

• sin 50⁰

• cos 50⁰

• tan 50⁰

• sin 40⁰

Tags

CCSS.HSF.TF.C.8

What is the complement to: sin 20⁰ = ?

• cos 70⁰

• sin 70⁰

• cos 20⁰

• tan 20⁰

Tags

CCSS.HSF.TF.C.9

What is the complement to: cos 38⁰ = ?

• sin 62⁰

• sin 52⁰

• cos 52⁰

• sin 38⁰

Tags

CCSS.HSF.TF.C.9

What is the complement to: sin 1⁰ = ?

• cos 89⁰

• cos 1⁰

• sin 89⁰

• tan 1⁰

Tags

CCSS.HSF.TF.C.9

What is the complement angle to 12°?

• 78°
• 68°
• 168°
• 90°

Tags

CCSS.HSG.SRT.C.7

What is the missing number?
sin(60) = cos(   )

• 10
• 20
• 30
• 40

Tags

CCSS.HSF.TF.C.8