PLEASE HELP ME ASAP. GOAT is a parallelogram. Find the length of TA

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.