Answer:
sorry I didn't have my phone on me, look at the photo it's the answer btw
Step-by-step explanation:
In the diagram, parallel lines P and Q are cut by transversal R.
1 answer:
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Answer:
-10/3 is the answer
Step-by-step explanation:
Given are two complex numbers as
Recall Demoivre theorem as
(cosA+isinA)(cos A+isin B) = cos(A+B)+isin(A+B)
Hence here we have sum of angles as
A+B = 63+117 =180
=
Since sin180=0 and cos 180=-1