Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 1 - No. 5)
What is the first step when attempting the question: A boat, C, is 10km away on a bearing of 090 degrees from a starting point K. Boat B is 6km away on a bearing of 150 degrees?
Apply the sine rule
Draw a diagram
Apply Pythagoras's theorem
Apply the cosine rule
解释
Draw a diagram to represent the question for easy understanding.