Trig Identites

True or False, (cot(x)) / (sec(x)) = sin(x)?

• True

• False

Tags

CCSS.HSF.TF.A.3

True or False, cos(x)/cot(x) = sin(x)?

• True

• False

Tags

CCSS.HSA.REI.A.1

CCSS.HSF.TF.A.3

What is csc(x) equivalent to?

• 1/sin(x)
• 1/tan(x)
• sin(x)
• 1/cos(x)

Tags

CCSS.HSF.TF.A.4

Please select the correct solution

• csc² x
• cot² x
• sin² x
• sec² x

Tags

CCSS.HSF.TF.C.8

Please select the correct solution 
cos ² x + sin ² x=  

• 1
• csc ² x + sec ² x
• sin ² x
• 1 - sin ² x

Tags

CCSS.HSF.TF.C.8

Please select the correct solution

• csc x
• sec x
• cot x
• tan x

Tags

CCSS.HSF.TF.C.8

Simplify

• sin²θ
• cosθ
• tanθ
• 1- sin²θ

Tags

CCSS.HSA.SSE.B.3

CCSS.HSF.TF.C.8

Simplify

• -1
• sin θ
• csc θ
• 1

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.TF.C.8

CCSS.HSF.TF.C.9

Is this a pythagorean identity?
tan²x + 1 = secx

• Yes
• No

Tags

CCSS.HSF.TF.C.8

When verifying you must first ...

• pick a side to simplify 
• find a trig. identity 
• Change to sine and cosine
• Change Values

Tags

CCSS.HSF.TF.C.8

CCSS.HSF.TF.C.9