If sin(@) = 3/5 and @ is in Quad II, determine in EXACT form

[MathRaven]

If you are capable of completing these, please show all your work.

If sin(@) = 3/5 and @ is in Quad II, determine in EXACT form the following:

a) sin(@ + pi/4)
b) cos(5pi/3 - @)
c) cos(20)
d) csc(pi/2 - @)

[theshadow]

If sin(@) = 3/5 and @ is in Quad II, determine in EXACT form the following:

a) sin(@ + pi/4)
b) cos(5pi/3 - @)
c) cos(20)
d) csc(pi/2 - @)

what do you get when you plug into the angle sum and angle diff. formulas? (shown here)