Please explain how I can find these answers, we just went over this in class and I don't get it

1. Convert 315 degrees to radians and find the sin, cos, and tan of that angle

2. For an angle Θ with the point (-5, 7) on its terminating side, what is the value of sine of this angle?

Questions 7-8. use the following table to answer. year 2006 2007 2008 2009 2010 2011 2012 2013 cpi 201.6 207.342 215.303 214.537 218.056 224.939 229.594 232.957 7. suppose you bought a house in 2006 for $120,000. use the table above to calculate the 2013 value adjusted for inflation. (round to the nearest whole number) 8. suppose you bought a house in 2013 for $90,000. use the table above to calculate the 2006 value adjusted for inflation. (round to the nearest whole number)