Hello everyone I need some serious help!

Ineed i been stuck on this question since yesterday

The product of sin 30 degrees and sin 60 degrees is same as the product of

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?