How can you use trigonometric functions to simplify 16e7π6i into a non-exponential complex number?

1 Answer
Jul 29, 2016

I used the exponential converion relationship:

Explanation:

You may remember that your complex number can be written as:
z=ρeθi=ρ[cos(θ)+isin(θ)]
in your case:
z=16e76πi=16[cos(76π)+isin(76π)]
we can now evaluate the above trig functions and multiply by 16 to get to the form: z=a+ib:

z=13.88i