What is the exact value of sin (22.5 degrees)?What is (2, –

What is the exact value of sin (22.5 degrees)?What is (2, – π/6) in rectangular coordinates?What is the equation of a line through (-1, 4) and (-2, 7)?What is the polar representation of z = 6i?If I invest $10,000 at 5% compounded monthly, how much will I have in 8 years?What is the exact value of sin (120 degrees)?The graph of y = 4sin (3x + 2) + 1 has amplitude of:What is the vertex of f(x) = x2 + 3x + 2?