<span>75 deg. = 75(π/180) radians </span> <span>75 deg. = 75π / 180 radians </span> <span>don't bother to try and simplify π (it is an irrational number) </span> <span>however you can simplify 75/180 </span> <span>both are divisible by 5 </span> <span>75π/180 = 15π/36 </span> <span>both are divisible by 3 </span> <span>75 deg. = 5π/12 radians </span>
<span>We normally don't bother to go further, unless you actually need it as a decimal fraction (in which case, you will have an approximation) </span>
