Review Fundamental Trig Identities

Simplify

• sinθ

• cot²θ

• tan²θ

• cos²θ

• csc²θ

• sec²θ

• cscθ

• 1

• Both A and B

• Neither A nor B

• 2secθ

• cot²θ

• tan²θ

• sec²θ + 1

• csc x

• tan x + 1

• cot x

• cot x + 1

• csc²θ
• sec²θ
• cscθ
• 1

Simplify

• secθ

• cos²θ

• sin²θ

Simplify: (secx-1)(secx+1)

Hint: you will need to FOIL first

• tan²x

• sinx

• cot²x

• cosx

• 1

• cot x

• -1

Verify the following:

• cos²x

• sin²x

• cot²x

• tan²x