Find the exact value of 75(degrees); leave answer in simplest radical form. Enter terms under the radical in number order.

sin 75 = sin(45 + 30) =

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.