1 Press Ctrl-A ©G Dear2008 – Not to be sold/Free to use Tangent Ratio Stage 4 Year 9.

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Presentation transcript:

1 Press Ctrl-A ©G Dear2008 – Not to be sold/Free to use Tangent Ratio Stage 4 Year 9

2 Opposite Adjacent Adjacent Click Tan θ = OppositeAdjacent θ θ Opposite Trig Ratios

Tan θ = OppositeAdjacentP Q R 5 Tan P = 12 5 Tan R = 5 12 Trig Ratios

4 26 Tan θ = OppositeAdjacentP Q R 10 Tan A = A B 5 C Tan P = = 12 5 22222222 Tan C = 5 12 Tan R = = 5 12 22222222 24 Trig Ratios

o m Tan 30 o = m 6 6x x6 m = 6 x Tan 30 o ≈ 3.46 Use your Calculator! To 2 decimal places Trig Ratios Tan θ = OppositeAdjacent

o d tan 60 o = d 10 10x x10 10 x tan 60 o ≈ Use your Calculator! d = To 2 decimal places Trig Ratios Tan θ = OppositeAdjacent

7 k 50 o 6 tan 50 o = 6 k kx xk 6 = k x tan 50 o ≈ 5.03 Use your Calculator!  Tan 50 o  Tan 50 o k = 6  Tan 50 o To 2 decimal places Trig Ratios Tan θ = OppositeAdjacent

8 6 zozozozo 6 Tan z o = 6 6 zo =zo =zo =zo = Tan -1 ( ) Use your Calculator! = 45 o 66 Trig Ratios Tan θ = OppositeAdjacent

9 9 momomomo 5 Tan m o = 9 5 mo =mo =mo =mo = Tan -1 ( ) Use your Calculator! ≈ 61 o 95 To nearest whole degree Trig Ratios Tan θ = OppositeAdjacent

10 S Some O Old H Hags C Can A Always H Hide T Their O Old A Age S Sin O Opposite H Hypotenuse C Cos A Adjacent H Hypotenuse T Tan O Opposite A Adjacent