Perfect. Whenever a vector makes an angle $$\theta$$ with the +x-axis in the anti-clockwise direction, its x-component is always determined by $$\cos \theta$$
What is the value of $$A_y$$, the y-component of vector A?
• $$8$$
• $$8 \sin 40^{\circ}$$
• $$8 \cos 40^{\circ}$$
• $$4$$