Trig Identities Review

cot(x)sin(x)

• cos(x)
• tan(x)
• sec(x)
• cos(x)tan(x)

• csc²θ
• sec²θ
• cscθ
• 1

• sinθ
• cot²θ
• tan²θ
• cos²θ

• csc x
• sec x
• 1/sec x
• cos x

Simplify the trig expression.

• tanx
• 2tanx
• -tanx
• (2tanx)/(tan²x-1)

Simplify the trig expression.

• 1
• -tanx
• -1
• tanx

Simplify the trig expression.

• -1
• 2
• 0
• 1

Simplify the trig expression.

• secx
• cotx
• sec²x
• tan²x

Simplify the trig expression.

• tanx
• -cosx
• sinx
• cosx

sin(x) tan(x) cot(x) csc(x)

• 1
• sin(x)
• cos(x)
• tan(x)