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Trigonometry Pythagoras Sine and Cosine rule
24/10/2023
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Rules Used length + to find angle Right-angled Frigonometry Pythagoras Sine rule requires One angle to find length one length tringle: requires to find angle a 2 absin C area two lengths X 9cm Trigonometry SOH CAH TA Cover letter hoping to find 39 9cm Length 7cm two Lengths Sin(39)x9 = 5.7cm Sin" ()-51.1 Non Right Angled Cosine rule length + angle. b two agles two lengths One length one (relevat) angle two lengths one angle =9 Length T angle с Cos (A)= Sine rule a b с Pythagoras -C-hypotenuse sin (A) Sin (B) Sin (C) a b = smeller Sieles. & to find length B C three length s c: √a²+ b a = √e²-6² b= √c²-a² Cosine rule [a² + b ² + c²] a²=b²+c²-2bccos (A) to find length B b b²+ c²_a² to find 2bc angle a to find ongles A C b Sin(A): Sin(B). Sin (C) h C
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