Trigonometry Tangent Angles Demonstration This resource provides animated

Trigonometry – Tangent – Angles – Demonstration This resource provides animated demonstrations of the mathematical method. Check animations and delete slides not needed for your class.

A right-angled triangle has 4 parts. n e ot p y H Adjacent Hypotenuse – always opposite the right-angle & always longest. Opposite e s u

1) 2) 3) Label the sides. Write the formula. Substitute & calculate. TOA O Tan θ (O) 12 cm 9 cm (A) A

1) 2) 3) TOA Label the sides. Write the formula. Substitute & calculate. O (A) 7 cm (O) 9 cm Tan θ A

1) 2) 3) TOA Label the sides. Write the formula. Substitute & calculate. O Tan θ 5 cm (O) 9 cm (A) A

1) 2) 3) TOA Label the sides. Write the formula. Substitute & calculate. O 5 cm (O) (A) 8 cm Tan θ A

1) 2) 3) TOA Label the sides. Write the formula. Substitute & calculate. O (O) 12 cm Tan θ 5 cm (A) A

1) 2) 3) Label the sides. Write the formula. Substitute & calculate. TOA O (O) 4 cm Tan θ 8 cm (A) A

1) 2) 3) TOA Label the sides. Write the formula. Substitute & calculate. (A) O 10 cm 11 cm (O) Tan θ A

1) 2) 3) TOA Label the sides. Write the formula. Substitute & calculate. O Tan θ (A) 13 cm 8 cm (O) A

1) 2) 3) Label the sides. Write the formula. Substitute & calculate. TOA O (A) 11 cm Tan θ 20 cm (O) A

1) 2) 3) TOA Label the sides. Write the formula. Substitute & calculate. O Tan θ 14 cm (O) 3 cm (A) A

1) 2) 3) TOA Label the sides. Write the formula. Substitute & calculate. O Tan θ 7 cm A 12 cm 5 cm 3 cm 4 cm 5 cm

1) 2) 3) TOA Label the sides. Write the formula. Substitute & calculate. O Tan θ 7 cm A 12 cm 5 cm 3 cm 4 cm 5 cm

Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths. co. uk