1. Aim: How do we find the secant, cosecant and cotangent of an angle? MB43 11/6/08 Lomas Do Now: sin cos tan 30 o 45 o 60 o 90 o 0 o radian degree HW Read 672-678 Do pg 678-9 1-9odd, 19,22,23,25,28

2. Aim: How do we find the secant, cosecant and cotangent of an angle? MB43 11/6/08 Lomas tan θ = sin θ cos θ Why? Use our table to show... tan 30 = sin 30 = cos 30 = sin 30 cos 30 = Read 672-678 Do pg 678-9 1-9odd, 19,22,23,25,28

3. Aim: How do we find the secant, cosecant and cotangent of an angle? MB43 11/6/08 Lomas sec θ = 1 cos θ csc θ = 1 sin θ cot θ = 1 tan θ Secant, cosecant, and cotangent are the reciprocals of cosine, sine, and tangent Read 672-678 Do pg 678-9 1-9odd, 19,22,23,25,28

4. Aim: How do we find the secant, cosecant and cotangent of an angle? MB43 11/6/08 Lomas sec 60 Find: π 3 csc cot 45 csc 45 Read 672-678 Do pg 678-9 1-9odd, 19,22,23,25,28

5. Aim: How do we find the secant, cosecant and cotangent of an angle? MB43 11/6/08 Lomas Express in terms of sin θ or cos θ or both cot θ sec θ cot θ tan θ csc θ Read 672-678 Do pg 678-9 1-9odd, 19,22,23,25,28

6. Aim: How do we find the secant, cosecant and cotangent of an angle? MB43 11/6/08 Lomas Read 672-678 Do pg 678-9 1-9odd, 19,22,23,25,28