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OpenStudy (anonymous):
Write the complex number in the form a + bi. 5/2(cos 150° + i sin 150°)
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OpenStudy (kc_kennylau):
This is literally the most straight-forward question I've ever seen.
OpenStudy (anonymous):
Haha it's the opposite of what we just did!
OpenStudy (kc_kennylau):
Yep :)
OpenStudy (anonymous):
Do you multiply the 5/2 into the cos and sin of 150?
OpenStudy (kc_kennylau):
Yes
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OpenStudy (anonymous):
-5√3/4 + 5/2i ?
OpenStudy (anonymous):
*5/4
OpenStudy (kc_kennylau):
Yes
OpenStudy (anonymous):
Yes! Thank you again!
OpenStudy (kc_kennylau):
No problem again :D
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