How do you use an identity to write each expression as a single trigonometric function value or as a single number

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?