2/10 warm up

Choose the correct ratio.

• sin^-1(9/20)
• cos^-1(9/20)
• tan^-1(9/20)
• cos^-1(20/9)

Choose the correct ratio.

• sin^-1(12/29)
• cos^-1(12/29)
• tan^-1(12/29)
• tan^-1(29/12)

sin (Angle) =

• opp/hyp

• adj/hyp

• opp/adj

• adj/opp

cos (Angle) =

• opp/hyp

• adj/hyp

• opp/adj

• adj/opp

tan (Angle) =

• opp/hyp

• adj/hyp

• opp/adj

• adj/opp

Which trigonometric ratio did you use?

• sine

• cosine

• tangent

Which trig ratio did you use?

• sin

• cos

• tan

c

b

a

Hypotenuse

Opposite

Adjacent