Question

(ii) sin150° - icos150°​

Answer 1

Answer:

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Answer 2

Answer:

$let \: x \: = \sin150 - i \cos150$

we know that

$\sin(150) = \frac{1}{2}$

$\cos(150) = - \frac{ \sqrt{3} }{2}$

$i = \sqrt{ - 1}$

putting these value we get