IP - Trig Identities

sin²x + cos²x =

• 1

• 1/sinx

• sec²x

• csc²x

1 - sin²x =

• cos²x

• cos²x+1

• csc²x

• tan²x

tan²x + 1 =

• csc²x

• sec²x

• sec²x - 1

• cscx

Simplify

• sin²θ
• cosθ
• tanθ
• 1- sin²θ

Simplify

• csc²θ
• sec²θ
• cscθ
• 1

Simplify:  tanxcotx-cos²x

• tanx
• cotx
• sin²x
• cos²x

Is this a pythagorean identity?
tan²x + 1 = secx

• Yes
• No

• csc x
• sec x
• 1/sec x
• cos x

True or false:
sin²θ = (sin θ)²

• True
• False

Simplify this to a basic trigonometry function:
tan(x)csc(x) 

• tanx
• secx
• cotx
• cscx