I need help with math (Geometry) please. Thank you!

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Can someone pls ! pls answer all. no explanation needed..

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items