For 14-19, you need an "argument" for your sin, cos, tan functions. For example, means nothing but or mean something. How do we know you're not asking for ?

Also, for the right triangle, , , and , where opp and adj are the sides opposite to and adjacent to . By the Pythagorean theorem, the hypotenuse is .

For 20-22, useyourcalculator. Or Wolfram Alpha/Mathematica (make sure you are in degree mode). We can help you with your math problems, but ultimately you're the one that's supposed to do the work and submit your answers/solutions.