CCSS.Math.Content.HSG.SRT.C.7

cot(90⁰-θ) = 

• tanθ
• sinθ
• cosθ
• secθ

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CCSS.Math.Content.HSG.SRT.C.7

sin 20⁰ = ?

• cos 70⁰
• sin 70⁰
• cos 20⁰
• tan 20⁰

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CCSS.Math.Content.HSG.SRT.C.7

cos 40⁰ = ?

• sin 50⁰
• cos 50⁰
• tan 50⁰
• sin 40⁰

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CCSS.Math.Content.HSG.SRT.C.7

Two angles whose measures have the sum 90°

• Complementary angles
• Right angle
• Supplementary angles
• Adjacent angles

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CCSS.Math.Content.HSG.SRT.C.7

complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

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CCSS.Math.Content.HSG.SRT.C.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.

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CCSS.Math.Content.HSG.SRT.C.7

Fill in the blank...
SOH ___ TOA

• COH
• CAH
• COA
• CHA

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CCSS.Math.Content.HSG.SRT.C.7

What is the REASON for Statement #3?

• Given
• Definition of Complementary Angles
• Substitution Property
• Reflexive Property of Congruence

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CCSS.Math.Content.HSG.SRT.C.7

Which pair of trigonometric functions is equivalent? Select all that apply.

• sin 30^o and cos 60^o

• sin 25^o and cos 155^o

• sin 22^o and cos 68^o

• cos 76^o and sin 14^o

• sin 34^o and cos 34^o

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CCSS.Math.Content.HSG.SRT.C.7

cos 34^o is equivalent to which trigonometric function?

• sin 34^o

• cos 56^o

• sin 56^o

• cos 146^o

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CCSS.Math.Content.HSG.SRT.C.7