Question

Write the complex number in rectangular form. If necessary, round to two decimal places. z=16(cos236

∘
+isin236
∘
) z= (Type your answer in the form a+bi. Do not round until the final answer. Then round to two decimal places as needed.)

Answer 1

`z=a+bi\\\\a=r\cos \theta\\b=r\sin \theta\\\\r=16\\\\a=16\cos 236\approx-8.95\\b=16\sin236\approx-13.24\\\\z=-8.95-13.24i`