The component adjacent to the given angle uses [ ]; the component opposite the angle uses sine.
Tsin40∘=120T\sin40^\circ=120Tsin40∘=120, so T≈187 N\mathbf{T\approx187\text{ N}}T≈187 N.
The component adjacent to the given angle uses cosine; the component opposite the angle uses sine.
P=187cos40∘≈143 NP=187\cos40^\circ\approx\mathbf{143\text{ N}}P=187cos40∘≈143 N.
Both components are negative.
1.8.9 Trigonometry in context Flashcards
Flashcards for AQA A Level Maths 1.8.9 Trigonometry in context, covering the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3. 23 cards, matched to the AQA A Level Maths (7357) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.