Part B - Thinking and Investigation |TI – 20 marks! 1. A child swings on a playground swing set. If the length of the wing in 3 m and the child wings through an angle of what is the exact are length through which the child travel? 2. A bicycle tire revolves at 150 rpm (revolutions per minute). What is its angular velocity, in radioma per second, rounded to two decimal places? 3. A 3-m ladder is leaning against a vertical wall such that the angle between the ground and the ladder it. What is the exact height that the ladder reaches up the wall? COS 4. Find the exact value of cos 3. Solve 6 snºr - Scosx-2 - 0 on the interval 2 € (0,2x]
answer all questions pls
answer all questions pls