Trig Identities

sec²(x) - tan²(x)

• tan(x)

• 1

• -sin(x)

• -1

1 + tan²(β)

• cos²(β)

• -cos²(β)

• -sec²(β)

• sec²(β)

Tags

CCSS.HSF.TF.C.8

sec²x −1

• sin²x

• cos²x

• tan²x

• cot²x

sin²θ + cos²θ = 

• cot²θ
• 1
• -1
• tan²θ

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

• csc x
• sec x
• cot x
• tan x

Is this a pythagorean identity?
tan²x + 1 = secx

• Yes
• No

cotθ=

• cosθ/sinθ
• sinθ/cosθ
• tanθ
• 1/cosθ

Tags

CCSS.HSF.TF.A.2

cscθ=

• 1/cosθ
• 1/sinθ
• 1/tanθ
• 1/secθ

Tags

CCSS.HSF.TF.A.2

cot(x)tan(x) + cot²(x)

• -cot(x)

• csc²(x)

• sec(x)

• -csc²(x)