Apps. and Interpretation HL Practice Paper Book | Page 22
Your Practice Paper – Applications and Interpretation HL for IBDP Mathematics SE Production Limited 10 � Consider a right-angled triangle ABC : 2 2 2 AB BC AC � � : Pythagoras ’ Theorem AB sin AC BC cos AC AB tan BC � � � � � � � � � � � � � � � : Trigonometric ratios � Properties of a general trigonometric function sin ( ) y A B x C D � � � : 1 . max min 2 y y A � � : Amplitude 2 . 360 2 B � � or Period Period 3 . max min 2 y y D � � 4 . C can be found by substitution of a point on the graph � Properties of graphs of trigonometric functions : 1 . Amplitude 1 � 2 . Period 360 2� � or 3 . 1 sin 1 x � � � 1 . Amplitude 1 � 2 . Period 360 2� � or 3 . 1 cos 1 x � � � 12 Trigonometry