What value of a makes sinA =cos20 degrees a true statement (need answer for both parts plz and ty)

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g